Finding the Fourth Proportional to 624,453.06, 861,751.53 and 337,979.28
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Solution
The fourth proportional to 624,453.06, 861,751.53 and 337,979.28 is: 466,414.82
Step by Step Solution
- Step 1: Write the proportion equation
624,453.06 : 861,751.53 = 337,979.28 : x - Step 2: Convert to fraction form
624,453.06/861,751.53 = 337,979.28/x - Step 3: Cross multiply
624,453.06x = 861,751.53 × 337,979.28 - Step 4: Simplify right side
624,453.06x = 291,254,161,648.30 - Step 5: Solve for x
x = 291,254,161,648.30/624,453.06 - Step 6: Final answer
x = 466,414.82
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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.