Finding the Fourth Proportional to 624,607.36, 861,952.32 and 338,120.08
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Solution
The fourth proportional to 624,607.36, 861,952.32 and 338,120.08 is: 466,602.55
Step by Step Solution
- Step 1: Write the proportion equation
624,607.36 : 861,952.32 = 338,120.08 : x - Step 2: Convert to fraction form
624,607.36/861,952.32 = 338,120.08/x - Step 3: Cross multiply
624,607.36x = 861,952.32 × 338,120.08 - Step 4: Simplify right side
624,607.36x = 291,443,387,394.59 - Step 5: Solve for x
x = 291,443,387,394.59/624,607.36 - Step 6: Final answer
x = 466,602.55
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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.