Finding the Fourth Proportional to 757.26, 1,044.99 and 425.66
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Solution
The fourth proportional to 757.26, 1,044.99 and 425.66 is: 587.39
Step by Step Solution
- Step 1: Write the proportion equation
757.26 : 1,044.99 = 425.66 : x - Step 2: Convert to fraction form
757.26/1,044.99 = 425.66/x - Step 3: Cross multiply
757.26x = 1,044.99 × 425.66 - Step 4: Simplify right side
757.26x = 444,805.22 - Step 5: Solve for x
x = 444,805.22/757.26 - Step 6: Final answer
x = 587.39
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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.