Finding the Fourth Proportional to 805,414.24, 1,206,508.44 and 485,387.92
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Solution
The fourth proportional to 805,414.24, 1,206,508.44 and 485,387.92 is: 727,109.84
Step by Step Solution
- Step 1: Write the proportion equation
805,414.24 : 1,206,508.44 = 485,387.92 : x - Step 2: Convert to fraction form
805,414.24/1,206,508.44 = 485,387.92/x - Step 3: Cross multiply
805,414.24x = 1,206,508.44 × 485,387.92 - Step 4: Simplify right side
805,414.24x = 585,624,622,154.05 - Step 5: Solve for x
x = 585,624,622,154.05/805,414.24 - Step 6: Final answer
x = 727,109.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.