Finding the Fourth Proportional to 804,767.80, 1,207,151.70 and 472,991.80
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Solution
The fourth proportional to 804,767.80, 1,207,151.70 and 472,991.80 is: 709,487.70
Step by Step Solution
- Step 1: Write the proportion equation
804,767.80 : 1,207,151.70 = 472,991.80 : x - Step 2: Convert to fraction form
804,767.80/1,207,151.70 = 472,991.80/x - Step 3: Cross multiply
804,767.80x = 1,207,151.70 × 472,991.80 - Step 4: Simplify right side
804,767.80x = 570,972,855,456.06 - Step 5: Solve for x
x = 570,972,855,456.06/804,767.80 - Step 6: Final answer
x = 709,487.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.