Finding the Fourth Proportional to 994,470.07, 1,491,934.53 and 311,318.09
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Solution
The fourth proportional to 994,470.07, 1,491,934.53 and 311,318.09 is: 467,048.96
Step by Step Solution
- Step 1: Write the proportion equation
994,470.07 : 1,491,934.53 = 311,318.09 : x - Step 2: Convert to fraction form
994,470.07/1,491,934.53 = 311,318.09/x - Step 3: Cross multiply
994,470.07x = 1,491,934.53 × 311,318.09 - Step 4: Simplify right side
994,470.07x = 464,466,208,284.65 - Step 5: Solve for x
x = 464,466,208,284.65/994,470.07 - Step 6: Final answer
x = 467,048.96
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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.