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Finding the Fourth Proportional to 322,428.60, 483,642.90 and 247,924.80

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Solution

The fourth proportional to 322,428.60, 483,642.90 and 247,924.80 is: 371,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,428.60 : 483,642.90 = 247,924.80 : x
  2. Step 2: Convert to fraction form
    322,428.60/483,642.90 = 247,924.80/x
  3. Step 3: Cross multiply
    322,428.60x = 483,642.90 × 247,924.80
  4. Step 4: Simplify right side
    322,428.60x = 119,907,069,253.92
  5. Step 5: Solve for x
    x = 119,907,069,253.92/322,428.60
  6. Step 6: Final answer
    x = 371,887.20

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