Finding the Fourth Proportional to 851,689.10, 1,175,034.14 and 545,934.07
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Solution
The fourth proportional to 851,689.10, 1,175,034.14 and 545,934.07 is: 753,198.75
Step by Step Solution
- Step 1: Write the proportion equation
851,689.10 : 1,175,034.14 = 545,934.07 : x - Step 2: Convert to fraction form
851,689.10/1,175,034.14 = 545,934.07/x - Step 3: Cross multiply
851,689.10x = 1,175,034.14 × 545,934.07 - Step 4: Simplify right side
851,689.10x = 641,491,171,225.53 - Step 5: Solve for x
x = 641,491,171,225.53/851,689.10 - Step 6: Final answer
x = 753,198.75
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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.