Finding the Fourth Proportional to 1,127,353.28, 1,691,310.17 and 328,641.84
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Solution
The fourth proportional to 1,127,353.28, 1,691,310.17 and 328,641.84 is: 493,044.46
Step by Step Solution
- Step 1: Write the proportion equation
1,127,353.28 : 1,691,310.17 = 328,641.84 : x - Step 2: Convert to fraction form
1,127,353.28/1,691,310.17 = 328,641.84/x - Step 3: Cross multiply
1,127,353.28x = 1,691,310.17 × 328,641.84 - Step 4: Simplify right side
1,127,353.28x = 555,835,287,101.12 - Step 5: Solve for x
x = 555,835,287,101.12/1,127,353.28 - Step 6: Final answer
x = 493,044.46
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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.