Finding the Fourth Proportional to 895,310.70, 1,235,488.49 and 487,402.10
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Solution
The fourth proportional to 895,310.70, 1,235,488.49 and 487,402.10 is: 672,592.96
Step by Step Solution
- Step 1: Write the proportion equation
895,310.70 : 1,235,488.49 = 487,402.10 : x - Step 2: Convert to fraction form
895,310.70/1,235,488.49 = 487,402.10/x - Step 3: Cross multiply
895,310.70x = 1,235,488.49 × 487,402.10 - Step 4: Simplify right side
895,310.70x = 602,179,675,937.38 - Step 5: Solve for x
x = 602,179,675,937.38/895,310.70 - Step 6: Final answer
x = 672,592.96
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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.