Finding the Fourth Proportional to 895,123.18, 1,235,295.84 and 487,251.46
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Solution
The fourth proportional to 895,123.18, 1,235,295.84 and 487,251.46 is: 672,421.09
Step by Step Solution
- Step 1: Write the proportion equation
895,123.18 : 1,235,295.84 = 487,251.46 : x - Step 2: Convert to fraction form
895,123.18/1,235,295.84 = 487,251.46/x - Step 3: Cross multiply
895,123.18x = 1,235,295.84 × 487,251.46 - Step 4: Simplify right side
895,123.18x = 601,899,701,571.93 - Step 5: Solve for x
x = 601,899,701,571.93/895,123.18 - Step 6: Final answer
x = 672,421.09
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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.