Finding the Fourth Proportional to 686,229.24, 1,028,205.66 and 485,554.92
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Solution
The fourth proportional to 686,229.24, 1,028,205.66 and 485,554.92 is: 727,527.02
Step by Step Solution
- Step 1: Write the proportion equation
686,229.24 : 1,028,205.66 = 485,554.92 : x - Step 2: Convert to fraction form
686,229.24/1,028,205.66 = 485,554.92/x - Step 3: Cross multiply
686,229.24x = 1,028,205.66 × 485,554.92 - Step 4: Simplify right side
686,229.24x = 499,250,316,984.85 - Step 5: Solve for x
x = 499,250,316,984.85/686,229.24 - Step 6: Final answer
x = 727,527.02
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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.