Finding the Fourth Proportional to 994,043.91, 1,491,115.08 and 284,176.53
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Solution
The fourth proportional to 994,043.91, 1,491,115.08 and 284,176.53 is: 426,278.86
Step by Step Solution
- Step 1: Write the proportion equation
994,043.91 : 1,491,115.08 = 284,176.53 : x - Step 2: Convert to fraction form
994,043.91/1,491,115.08 = 284,176.53/x - Step 3: Cross multiply
994,043.91x = 1,491,115.08 × 284,176.53 - Step 4: Simplify right side
994,043.91x = 423,739,909,265.07 - Step 5: Solve for x
x = 423,739,909,265.07/994,043.91 - Step 6: Final answer
x = 426,278.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.