Finding the Fourth Proportional to 750,220.68, 1,125,331.38 and 329,500.20
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Solution
The fourth proportional to 750,220.68, 1,125,331.38 and 329,500.20 is: 494,250.46
Step by Step Solution
- Step 1: Write the proportion equation
750,220.68 : 1,125,331.38 = 329,500.20 : x - Step 2: Convert to fraction form
750,220.68/1,125,331.38 = 329,500.20/x - Step 3: Cross multiply
750,220.68x = 1,125,331.38 × 329,500.20 - Step 4: Simplify right side
750,220.68x = 370,796,914,776.28 - Step 5: Solve for x
x = 370,796,914,776.28/750,220.68 - Step 6: Final answer
x = 494,250.46
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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.