Finding the Fourth Proportional to 488,877.20, 733,315.80 and 453,447.80
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Solution
The fourth proportional to 488,877.20, 733,315.80 and 453,447.80 is: 680,171.70
Step by Step Solution
- Step 1: Write the proportion equation
488,877.20 : 733,315.80 = 453,447.80 : x - Step 2: Convert to fraction form
488,877.20/733,315.80 = 453,447.80/x - Step 3: Cross multiply
488,877.20x = 733,315.80 × 453,447.80 - Step 4: Simplify right side
488,877.20x = 332,520,436,215.24 - Step 5: Solve for x
x = 332,520,436,215.24/488,877.20 - Step 6: Final answer
x = 680,171.70
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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.