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Finding the Fourth Proportional to 447,757.53, 617,902.75 and 243,807.97

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Solution

The fourth proportional to 447,757.53, 617,902.75 and 243,807.97 is: 336,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,757.53 : 617,902.75 = 243,807.97 : x
  2. Step 2: Convert to fraction form
    447,757.53/617,902.75 = 243,807.97/x
  3. Step 3: Cross multiply
    447,757.53x = 617,902.75 × 243,807.97
  4. Step 4: Simplify right side
    447,757.53x = 150,649,612,045.40
  5. Step 5: Solve for x
    x = 150,649,612,045.40/447,757.53
  6. Step 6: Final answer
    x = 336,453.55

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1.5x scale

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.