Finding the Fourth Proportional to 623,622.60, 936,125.10 and 387,232.20
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Solution
The fourth proportional to 623,622.60, 936,125.10 and 387,232.20 is: 581,277.49
Step by Step Solution
- Step 1: Write the proportion equation
623,622.60 : 936,125.10 = 387,232.20 : x - Step 2: Convert to fraction form
623,622.60/936,125.10 = 387,232.20/x - Step 3: Cross multiply
623,622.60x = 936,125.10 × 387,232.20 - Step 4: Simplify right side
623,622.60x = 362,497,781,948.22 - Step 5: Solve for x
x = 362,497,781,948.22/623,622.60 - Step 6: Final answer
x = 581,277.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.