Finding the Fourth Proportional to 747,363.38, 1,031,355.79 and 425,073.08
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Solution
The fourth proportional to 747,363.38, 1,031,355.79 and 425,073.08 is: 586,597.62
Step by Step Solution
- Step 1: Write the proportion equation
747,363.38 : 1,031,355.79 = 425,073.08 : x - Step 2: Convert to fraction form
747,363.38/1,031,355.79 = 425,073.08/x - Step 3: Cross multiply
747,363.38x = 1,031,355.79 × 425,073.08 - Step 4: Simplify right side
747,363.38x = 438,401,582,231.13 - Step 5: Solve for x
x = 438,401,582,231.13/747,363.38 - Step 6: Final answer
x = 586,597.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.