Finding the Fourth Proportional to 994,416.60, 1,491,624.90 and 284,467.80
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Solution
The fourth proportional to 994,416.60, 1,491,624.90 and 284,467.80 is: 426,701.70
Step by Step Solution
- Step 1: Write the proportion equation
994,416.60 : 1,491,624.90 = 284,467.80 : x - Step 2: Convert to fraction form
994,416.60/1,491,624.90 = 284,467.80/x - Step 3: Cross multiply
994,416.60x = 1,491,624.90 × 284,467.80 - Step 4: Simplify right side
994,416.60x = 424,319,253,728.22 - Step 5: Solve for x
x = 424,319,253,728.22/994,416.60 - Step 6: Final answer
x = 426,701.70
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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.