In tacoma the tax on a property assessed at $360,000 is $7,920. if tax rates are proportional in this city how much would the tax be on a property assessed at $930,000?

Set up the direct proportion:



Cross multiply (you can reduce first if you prefer):



Divide both sides by 360,000 to isolate x:



You're paying $20,460 in tax on that $930,000 house.