Finding the Fourth Proportional to 784,515.12, 1,176,770.52 and 215,854.08
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Solution
The fourth proportional to 784,515.12, 1,176,770.52 and 215,854.08 is: 323,780.53
Step by Step Solution
- Step 1: Write the proportion equation
784,515.12 : 1,176,770.52 = 215,854.08 : x - Step 2: Convert to fraction form
784,515.12/1,176,770.52 = 215,854.08/x - Step 3: Cross multiply
784,515.12x = 1,176,770.52 × 215,854.08 - Step 4: Simplify right side
784,515.12x = 254,010,717,965.72 - Step 5: Solve for x
x = 254,010,717,965.72/784,515.12 - Step 6: Final answer
x = 323,780.53
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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.