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Finding the Fourth Proportional to 444,782.38, 613,753.86 and 253,759

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Solution

The fourth proportional to 444,782.38, 613,753.86 and 253,759 is: 350,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,782.38 : 613,753.86 = 253,759 : x
  2. Step 2: Convert to fraction form
    444,782.38/613,753.86 = 253,759/x
  3. Step 3: Cross multiply
    444,782.38x = 613,753.86 × 253,759
  4. Step 4: Simplify right side
    444,782.38x = 155,745,565,759.74
  5. Step 5: Solve for x
    x = 155,745,565,759.74/444,782.38
  6. Step 6: Final answer
    x = 350,161.28

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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.