Finding the Fourth Proportional to 1,240,542.08, 1,859,630.88 and 398,502.56
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Solution
The fourth proportional to 1,240,542.08, 1,859,630.88 and 398,502.56 is: 597,374.07
Step by Step Solution
- Step 1: Write the proportion equation
1,240,542.08 : 1,859,630.88 = 398,502.56 : x - Step 2: Convert to fraction form
1,240,542.08/1,859,630.88 = 398,502.56/x - Step 3: Cross multiply
1,240,542.08x = 1,859,630.88 × 398,502.56 - Step 4: Simplify right side
1,240,542.08x = 741,067,666,335.05 - Step 5: Solve for x
x = 741,067,666,335.05/1,240,542.08 - Step 6: Final answer
x = 597,374.07
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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.