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Finding the Fourth Proportional to 474,516.20, 711,409.80 and 238,028.60

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Solution

The fourth proportional to 474,516.20, 711,409.80 and 238,028.60 is: 356,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,516.20 : 711,409.80 = 238,028.60 : x
  2. Step 2: Convert to fraction form
    474,516.20/711,409.80 = 238,028.60/x
  3. Step 3: Cross multiply
    474,516.20x = 711,409.80 × 238,028.60
  4. Step 4: Simplify right side
    474,516.20x = 169,335,878,720.28
  5. Step 5: Solve for x
    x = 169,335,878,720.28/474,516.20
  6. Step 6: Final answer
    x = 356,860.06

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