Finding the Fourth Proportional to 704,818.38, 972,206.97 and 418,135.50
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Solution
The fourth proportional to 704,818.38, 972,206.97 and 418,135.50 is: 576,764.54
Step by Step Solution
- Step 1: Write the proportion equation
704,818.38 : 972,206.97 = 418,135.50 : x - Step 2: Convert to fraction form
704,818.38/972,206.97 = 418,135.50/x - Step 3: Cross multiply
704,818.38x = 972,206.97 × 418,135.50 - Step 4: Simplify right side
704,818.38x = 406,514,247,504.44 - Step 5: Solve for x
x = 406,514,247,504.44/704,818.38 - Step 6: Final answer
x = 576,764.54
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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.