Finding the Fourth Proportional to 979,043.76, 1,468,581.84 and 269,067.42
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Solution
The fourth proportional to 979,043.76, 1,468,581.84 and 269,067.42 is: 403,605.58
Step by Step Solution
- Step 1: Write the proportion equation
979,043.76 : 1,468,581.84 = 269,067.42 : x - Step 2: Convert to fraction form
979,043.76/1,468,581.84 = 269,067.42/x - Step 3: Cross multiply
979,043.76x = 1,468,581.84 × 269,067.42 - Step 4: Simplify right side
979,043.76x = 395,147,526,747.65 - Step 5: Solve for x
x = 395,147,526,747.65/979,043.76 - Step 6: Final answer
x = 403,605.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.