Finding the Fourth Proportional to 624,614.79, 861,968.70 and 338,134.88
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Solution
The fourth proportional to 624,614.79, 861,968.70 and 338,134.88 is: 466,626.28
Step by Step Solution
- Step 1: Write the proportion equation
624,614.79 : 861,968.70 = 338,134.88 : x - Step 2: Convert to fraction form
624,614.79/861,968.70 = 338,134.88/x - Step 3: Cross multiply
624,614.79x = 861,968.70 × 338,134.88 - Step 4: Simplify right side
624,614.79x = 291,461,678,628.41 - Step 5: Solve for x
x = 291,461,678,628.41/624,614.79 - Step 6: Final answer
x = 466,626.28
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1.5x scale
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.