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Finding the Fourth Proportional to 322,468.58, 483,713.79 and 85,811.48

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Solution

The fourth proportional to 322,468.58, 483,713.79 and 85,811.48 is: 128,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,468.58 : 483,713.79 = 85,811.48 : x
  2. Step 2: Convert to fraction form
    322,468.58/483,713.79 = 85,811.48/x
  3. Step 3: Cross multiply
    322,468.58x = 483,713.79 × 85,811.48
  4. Step 4: Simplify right side
    322,468.58x = 41,508,196,996.54
  5. Step 5: Solve for x
    x = 41,508,196,996.54/322,468.58
  6. Step 6: Final answer
    x = 128,720.13

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