Finding the Fourth Proportional to 844,612.20, 1,165,559.04 and 457,418.70
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Solution
The fourth proportional to 844,612.20, 1,165,559.04 and 457,418.70 is: 631,234.67
Step by Step Solution
- Step 1: Write the proportion equation
844,612.20 : 1,165,559.04 = 457,418.70 : x - Step 2: Convert to fraction form
844,612.20/1,165,559.04 = 457,418.70/x - Step 3: Cross multiply
844,612.20x = 1,165,559.04 × 457,418.70 - Step 4: Simplify right side
844,612.20x = 533,148,500,850.05 - Step 5: Solve for x
x = 533,148,500,850.05/844,612.20 - Step 6: Final answer
x = 631,234.67
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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.