Finding the Fourth Proportional to 624,614.35, 861,970.60 and 338,134.44
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Solution
The fourth proportional to 624,614.35, 861,970.60 and 338,134.44 is: 466,627.03
Step by Step Solution
- Step 1: Write the proportion equation
624,614.35 : 861,970.60 = 338,134.44 : x - Step 2: Convert to fraction form
624,614.35/861,970.60 = 338,134.44/x - Step 3: Cross multiply
624,614.35x = 861,970.60 × 338,134.44 - Step 4: Simplify right side
624,614.35x = 291,461,941,817.61 - Step 5: Solve for x
x = 291,461,941,817.61/624,614.35 - Step 6: Final answer
x = 466,627.03
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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.