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Finding the Fourth Proportional to 652,258.40, 978,436.20 and 231,479.60

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Solution

The fourth proportional to 652,258.40, 978,436.20 and 231,479.60 is: 347,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,258.40 : 978,436.20 = 231,479.60 : x
  2. Step 2: Convert to fraction form
    652,258.40/978,436.20 = 231,479.60/x
  3. Step 3: Cross multiply
    652,258.40x = 978,436.20 × 231,479.60
  4. Step 4: Simplify right side
    652,258.40x = 226,488,020,201.52
  5. Step 5: Solve for x
    x = 226,488,020,201.52/652,258.40
  6. Step 6: Final answer
    x = 347,236.65

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