Finding the Fourth Proportional to 514,357.44, 709,873.92 and 287,959.20
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Solution
The fourth proportional to 514,357.44, 709,873.92 and 287,959.20 is: 397,417.65
Step by Step Solution
- Step 1: Write the proportion equation
514,357.44 : 709,873.92 = 287,959.20 : x - Step 2: Convert to fraction form
514,357.44/709,873.92 = 287,959.20/x - Step 3: Cross multiply
514,357.44x = 709,873.92 × 287,959.20 - Step 4: Simplify right side
514,357.44x = 204,414,726,104.06 - Step 5: Solve for x
x = 204,414,726,104.06/514,357.44 - Step 6: Final answer
x = 397,417.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.