Finding the Fourth Proportional to 488,875.20, 733,312.80 and 453,445.80
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Solution
The fourth proportional to 488,875.20, 733,312.80 and 453,445.80 is: 680,168.70
Step by Step Solution
- Step 1: Write the proportion equation
488,875.20 : 733,312.80 = 453,445.80 : x - Step 2: Convert to fraction form
488,875.20/733,312.80 = 453,445.80/x - Step 3: Cross multiply
488,875.20x = 733,312.80 × 453,445.80 - Step 4: Simplify right side
488,875.20x = 332,517,609,246.24 - Step 5: Solve for x
x = 332,517,609,246.24/488,875.20 - Step 6: Final answer
x = 680,168.70
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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.