Finding the Fourth Proportional to 979,079.71, 1,468,286.99 and 339,234.12
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Solution
The fourth proportional to 979,079.71, 1,468,286.99 and 339,234.12 is: 508,735.95
Step by Step Solution
- Step 1: Write the proportion equation
979,079.71 : 1,468,286.99 = 339,234.12 : x - Step 2: Convert to fraction form
979,079.71/1,468,286.99 = 339,234.12/x - Step 3: Cross multiply
979,079.71x = 1,468,286.99 × 339,234.12 - Step 4: Simplify right side
979,079.71x = 498,093,046,934.65 - Step 5: Solve for x
x = 498,093,046,934.65/979,079.71 - Step 6: Final answer
x = 508,735.95
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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.