Finding the Fourth Proportional to 624,391.98, 861,662.43 and 337,915.14
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Solution
The fourth proportional to 624,391.98, 861,662.43 and 337,915.14 is: 466,323.70
Step by Step Solution
- Step 1: Write the proportion equation
624,391.98 : 861,662.43 = 337,915.14 : x - Step 2: Convert to fraction form
624,391.98/861,662.43 = 337,915.14/x - Step 3: Cross multiply
624,391.98x = 861,662.43 × 337,915.14 - Step 4: Simplify right side
624,391.98x = 291,168,780,666.19 - Step 5: Solve for x
x = 291,168,780,666.19/624,391.98 - Step 6: Final answer
x = 466,323.70
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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.