Finding the Fourth Proportional to 979,876.18, 1,469,066.68 and 447,024.57
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Solution
The fourth proportional to 979,876.18, 1,469,066.68 and 447,024.57 is: 670,195.80
Step by Step Solution
- Step 1: Write the proportion equation
979,876.18 : 1,469,066.68 = 447,024.57 : x - Step 2: Convert to fraction form
979,876.18/1,469,066.68 = 447,024.57/x - Step 3: Cross multiply
979,876.18x = 1,469,066.68 × 447,024.57 - Step 4: Simplify right side
979,876.18x = 656,708,900,928.33 - Step 5: Solve for x
x = 656,708,900,928.33/979,876.18 - Step 6: Final answer
x = 670,195.80
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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.