Finding the Fourth Proportional to 624,614.54, 861,968.35 and 338,134.63
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Solution
The fourth proportional to 624,614.54, 861,968.35 and 338,134.63 is: 466,625.94
Step by Step Solution
- Step 1: Write the proportion equation
624,614.54 : 861,968.35 = 338,134.63 : x - Step 2: Convert to fraction form
624,614.54/861,968.35 = 338,134.63/x - Step 3: Cross multiply
624,614.54x = 861,968.35 × 338,134.63 - Step 4: Simplify right side
624,614.54x = 291,461,344,789.12 - Step 5: Solve for x
x = 291,461,344,789.12/624,614.54 - Step 6: Final answer
x = 466,625.94
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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.