Finding the Fourth Proportional to 664,288.10, 996,432.15 and 451,711.70
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Solution
The fourth proportional to 664,288.10, 996,432.15 and 451,711.70 is: 677,567.55
Step by Step Solution
- Step 1: Write the proportion equation
664,288.10 : 996,432.15 = 451,711.70 : x - Step 2: Convert to fraction form
664,288.10/996,432.15 = 451,711.70/x - Step 3: Cross multiply
664,288.10x = 996,432.15 × 451,711.70 - Step 4: Simplify right side
664,288.10x = 450,100,060,411.16 - Step 5: Solve for x
x = 450,100,060,411.16/664,288.10 - Step 6: Final answer
x = 677,567.55
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Similar ratio
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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.