Home / 494,490.80-741,736.20-459,061.40

Finding the Fourth Proportional to 494,490.80, 741,736.20 and 459,061.40

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Solution

The fourth proportional to 494,490.80, 741,736.20 and 459,061.40 is: 688,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,490.80 : 741,736.20 = 459,061.40 : x
  2. Step 2: Convert to fraction form
    494,490.80/741,736.20 = 459,061.40/x
  3. Step 3: Cross multiply
    494,490.80x = 741,736.20 × 459,061.40
  4. Step 4: Simplify right side
    494,490.80x = 340,502,458,402.68
  5. Step 5: Solve for x
    x = 340,502,458,402.68/494,490.80
  6. Step 6: Final answer
    x = 688,592.10

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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.