Finding the Fourth Proportional to 586,405.10, 809,325.87 and 371,565.17
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Solution
The fourth proportional to 586,405.10, 809,325.87 and 371,565.17 is: 512,814.95
Step by Step Solution
- Step 1: Write the proportion equation
586,405.10 : 809,325.87 = 371,565.17 : x - Step 2: Convert to fraction form
586,405.10/809,325.87 = 371,565.17/x - Step 3: Cross multiply
586,405.10x = 809,325.87 × 371,565.17 - Step 4: Simplify right side
586,405.10x = 300,717,304,471.95 - Step 5: Solve for x
x = 300,717,304,471.95/586,405.10 - Step 6: Final answer
x = 512,814.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.