Finding the Fourth Proportional to 1,027,438.24, 1,541,001.84 and 279,542.56
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Solution
The fourth proportional to 1,027,438.24, 1,541,001.84 and 279,542.56 is: 419,271.53
Step by Step Solution
- Step 1: Write the proportion equation
1,027,438.24 : 1,541,001.84 = 279,542.56 : x - Step 2: Convert to fraction form
1,027,438.24/1,541,001.84 = 279,542.56/x - Step 3: Cross multiply
1,027,438.24x = 1,541,001.84 × 279,542.56 - Step 4: Simplify right side
1,027,438.24x = 430,775,599,318.31 - Step 5: Solve for x
x = 430,775,599,318.31/1,027,438.24 - Step 6: Final answer
x = 419,271.53
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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.