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Finding the Fourth Proportional to 425,356.79, 587,033.73 and 317,739.98

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Solution

The fourth proportional to 425,356.79, 587,033.73 and 317,739.98 is: 438,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,356.79 : 587,033.73 = 317,739.98 : x
  2. Step 2: Convert to fraction form
    425,356.79/587,033.73 = 317,739.98/x
  3. Step 3: Cross multiply
    425,356.79x = 587,033.73 × 317,739.98
  4. Step 4: Simplify right side
    425,356.79x = 186,524,085,629.53
  5. Step 5: Solve for x
    x = 186,524,085,629.53/425,356.79
  6. Step 6: Final answer
    x = 438,512.07

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