Finding the Fourth Proportional to 873,658.26, 1,206,020.39 and 587,344.41
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Solution
The fourth proportional to 873,658.26, 1,206,020.39 and 587,344.41 is: 810,785.37
Step by Step Solution
- Step 1: Write the proportion equation
873,658.26 : 1,206,020.39 = 587,344.41 : x - Step 2: Convert to fraction form
873,658.26/1,206,020.39 = 587,344.41/x - Step 3: Cross multiply
873,658.26x = 1,206,020.39 × 587,344.41 - Step 4: Simplify right side
873,658.26x = 708,349,331,475.80 - Step 5: Solve for x
x = 708,349,331,475.80/873,658.26 - Step 6: Final answer
x = 810,785.37
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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.