Home / 643,321.20-964,984.28-269,081.68

Finding the Fourth Proportional to 643,321.20, 964,984.28 and 269,081.68

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Solution

The fourth proportional to 643,321.20, 964,984.28 and 269,081.68 is: 403,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,321.20 : 964,984.28 = 269,081.68 : x
  2. Step 2: Convert to fraction form
    643,321.20/964,984.28 = 269,081.68/x
  3. Step 3: Cross multiply
    643,321.20x = 964,984.28 × 269,081.68
  4. Step 4: Simplify right side
    643,321.20x = 259,659,591,235.99
  5. Step 5: Solve for x
    x = 259,659,591,235.99/643,321.20
  6. Step 6: Final answer
    x = 403,623.56

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