Finding the Fourth Proportional to 1,127,481.24, 1,691,041.84 and 328,575.96
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Solution
The fourth proportional to 1,127,481.24, 1,691,041.84 and 328,575.96 is: 492,811.48
Step by Step Solution
- Step 1: Write the proportion equation
1,127,481.24 : 1,691,041.84 = 328,575.96 : x - Step 2: Convert to fraction form
1,127,481.24/1,691,041.84 = 328,575.96/x - Step 3: Cross multiply
1,127,481.24x = 1,691,041.84 × 328,575.96 - Step 4: Simplify right side
1,127,481.24x = 555,635,695,978.17 - Step 5: Solve for x
x = 555,635,695,978.17/1,127,481.24 - Step 6: Final answer
x = 492,811.48
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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.