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Finding the Fourth Proportional to 425,708.43, 587,579.99 and 255,909.75

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Solution

The fourth proportional to 425,708.43, 587,579.99 and 255,909.75 is: 353,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,708.43 : 587,579.99 = 255,909.75 : x
  2. Step 2: Convert to fraction form
    425,708.43/587,579.99 = 255,909.75/x
  3. Step 3: Cross multiply
    425,708.43x = 587,579.99 × 255,909.75
  4. Step 4: Simplify right side
    425,708.43x = 150,367,448,345.90
  5. Step 5: Solve for x
    x = 150,367,448,345.90/425,708.43
  6. Step 6: Final answer
    x = 353,216.99

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