Finding the Fourth Proportional to 873,680.13, 1,205,479.13 and 491,567.49
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Solution
The fourth proportional to 873,680.13, 1,205,479.13 and 491,567.49 is: 678,250.92
Step by Step Solution
- Step 1: Write the proportion equation
873,680.13 : 1,205,479.13 = 491,567.49 : x - Step 2: Convert to fraction form
873,680.13/1,205,479.13 = 491,567.49/x - Step 3: Cross multiply
873,680.13x = 1,205,479.13 × 491,567.49 - Step 4: Simplify right side
873,680.13x = 592,574,347,723.65 - Step 5: Solve for x
x = 592,574,347,723.65/873,680.13 - Step 6: Final answer
x = 678,250.92
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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.