Finding the Fourth Proportional to 703,461.65, 970,794.99 and 431,679.65
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Solution
The fourth proportional to 703,461.65, 970,794.99 and 431,679.65 is: 595,728.91
Step by Step Solution
- Step 1: Write the proportion equation
703,461.65 : 970,794.99 = 431,679.65 : x - Step 2: Convert to fraction form
703,461.65/970,794.99 = 431,679.65/x - Step 3: Cross multiply
703,461.65x = 970,794.99 × 431,679.65 - Step 4: Simplify right side
703,461.65x = 419,072,436,650.98 - Step 5: Solve for x
x = 419,072,436,650.98/703,461.65 - Step 6: Final answer
x = 595,728.91
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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.