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Finding the Fourth Proportional to 397,311.40, 595,967.10 and 239,847.40

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Solution

The fourth proportional to 397,311.40, 595,967.10 and 239,847.40 is: 359,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,311.40 : 595,967.10 = 239,847.40 : x
  2. Step 2: Convert to fraction form
    397,311.40/595,967.10 = 239,847.40/x
  3. Step 3: Cross multiply
    397,311.40x = 595,967.10 × 239,847.40
  4. Step 4: Simplify right side
    397,311.40x = 142,941,159,420.54
  5. Step 5: Solve for x
    x = 142,941,159,420.54/397,311.40
  6. Step 6: Final answer
    x = 359,771.10

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