Finding the Fourth Proportional to 667,617.26, 1,002,742.95 and 573,615.14
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Solution
The fourth proportional to 667,617.26, 1,002,742.95 and 573,615.14 is: 861,554.32
Step by Step Solution
- Step 1: Write the proportion equation
667,617.26 : 1,002,742.95 = 573,615.14 : x - Step 2: Convert to fraction form
667,617.26/1,002,742.95 = 573,615.14/x - Step 3: Cross multiply
667,617.26x = 1,002,742.95 × 573,615.14 - Step 4: Simplify right side
667,617.26x = 575,188,537,648.26 - Step 5: Solve for x
x = 575,188,537,648.26/667,617.26 - Step 6: Final answer
x = 861,554.32
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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.