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Finding the Fourth Proportional to 444,469.49, 613,369.52 and 240,520.40

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Solution

The fourth proportional to 444,469.49, 613,369.52 and 240,520.40 is: 331,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,469.49 : 613,369.52 = 240,520.40 : x
  2. Step 2: Convert to fraction form
    444,469.49/613,369.52 = 240,520.40/x
  3. Step 3: Cross multiply
    444,469.49x = 613,369.52 × 240,520.40
  4. Step 4: Simplify right side
    444,469.49x = 147,527,878,028.76
  5. Step 5: Solve for x
    x = 147,527,878,028.76/444,469.49
  6. Step 6: Final answer
    x = 331,919.02

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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.