Finding the Fourth Proportional to 1,027,381.05, 1,541,081.97 and 458,791.11
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Solution
The fourth proportional to 1,027,381.05, 1,541,081.97 and 458,791.11 is: 688,191.31
Step by Step Solution
- Step 1: Write the proportion equation
1,027,381.05 : 1,541,081.97 = 458,791.11 : x - Step 2: Convert to fraction form
1,027,381.05/1,541,081.97 = 458,791.11/x - Step 3: Cross multiply
1,027,381.05x = 1,541,081.97 × 458,791.11 - Step 4: Simplify right side
1,027,381.05x = 707,034,707,617.29 - Step 5: Solve for x
x = 707,034,707,617.29/1,027,381.05 - Step 6: Final answer
x = 688,191.31
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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.