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Finding the Fourth Proportional to 483,945.40, 725,918.10 and 168,434.20

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Solution

The fourth proportional to 483,945.40, 725,918.10 and 168,434.20 is: 252,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,945.40 : 725,918.10 = 168,434.20 : x
  2. Step 2: Convert to fraction form
    483,945.40/725,918.10 = 168,434.20/x
  3. Step 3: Cross multiply
    483,945.40x = 725,918.10 × 168,434.20
  4. Step 4: Simplify right side
    483,945.40x = 122,269,434,439.02
  5. Step 5: Solve for x
    x = 122,269,434,439.02/483,945.40
  6. Step 6: Final answer
    x = 252,651.30

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