Finding the Fourth Proportional to 624,356.62, 861,614.28 and 337,876.63
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Solution
The fourth proportional to 624,356.62, 861,614.28 and 337,876.63 is: 466,270.91
Step by Step Solution
- Step 1: Write the proportion equation
624,356.62 : 861,614.28 = 337,876.63 : x - Step 2: Convert to fraction form
624,356.62/861,614.28 = 337,876.63/x - Step 3: Cross multiply
624,356.62x = 861,614.28 × 337,876.63 - Step 4: Simplify right side
624,356.62x = 291,119,324,978.21 - Step 5: Solve for x
x = 291,119,324,978.21/624,356.62 - Step 6: Final answer
x = 466,270.91
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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.