Finding the Fourth Proportional to 624,390.48, 861,660.36 and 337,913.64
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Solution
The fourth proportional to 624,390.48, 861,660.36 and 337,913.64 is: 466,321.63
Step by Step Solution
- Step 1: Write the proportion equation
624,390.48 : 861,660.36 = 337,913.64 : x - Step 2: Convert to fraction form
624,390.48/861,660.36 = 337,913.64/x - Step 3: Cross multiply
624,390.48x = 861,660.36 × 337,913.64 - Step 4: Simplify right side
624,390.48x = 291,166,788,691.31 - Step 5: Solve for x
x = 291,166,788,691.31/624,390.48 - Step 6: Final answer
x = 466,321.63
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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.