Finding the Fourth Proportional to 581,693.40, 872,540.10 and 576,163.80
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Solution
The fourth proportional to 581,693.40, 872,540.10 and 576,163.80 is: 864,245.70
Step by Step Solution
- Step 1: Write the proportion equation
581,693.40 : 872,540.10 = 576,163.80 : x - Step 2: Convert to fraction form
581,693.40/872,540.10 = 576,163.80/x - Step 3: Cross multiply
581,693.40x = 872,540.10 × 576,163.80 - Step 4: Simplify right side
581,693.40x = 502,726,019,668.38 - Step 5: Solve for x
x = 502,726,019,668.38/581,693.40 - Step 6: Final answer
x = 864,245.70
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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.