Finding the Fourth Proportional to 756,732.26, 1,044,481.29 and 455,104.10
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Solution
The fourth proportional to 756,732.26, 1,044,481.29 and 455,104.10 is: 628,158.39
Step by Step Solution
- Step 1: Write the proportion equation
756,732.26 : 1,044,481.29 = 455,104.10 : x - Step 2: Convert to fraction form
756,732.26/1,044,481.29 = 455,104.10/x - Step 3: Cross multiply
756,732.26x = 1,044,481.29 × 455,104.10 - Step 4: Simplify right side
756,732.26x = 475,347,717,452.29 - Step 5: Solve for x
x = 475,347,717,452.29/756,732.26 - Step 6: Final answer
x = 628,158.39
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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.