Finding the Fourth Proportional to 1,027,102.27, 1,539,652.17 and 428,234.70
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Solution
The fourth proportional to 1,027,102.27, 1,539,652.17 and 428,234.70 is: 641,934.59
Step by Step Solution
- Step 1: Write the proportion equation
1,027,102.27 : 1,539,652.17 = 428,234.70 : x - Step 2: Convert to fraction form
1,027,102.27/1,539,652.17 = 428,234.70/x - Step 3: Cross multiply
1,027,102.27x = 1,539,652.17 × 428,234.70 - Step 4: Simplify right side
1,027,102.27x = 659,332,477,104.24 - Step 5: Solve for x
x = 659,332,477,104.24/1,027,102.27 - Step 6: Final answer
x = 641,934.59
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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.