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Finding the Fourth Proportional to 259,800.40, 389,700.60 and 252,024.40

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Solution

The fourth proportional to 259,800.40, 389,700.60 and 252,024.40 is: 378,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800.40 : 389,700.60 = 252,024.40 : x
  2. Step 2: Convert to fraction form
    259,800.40/389,700.60 = 252,024.40/x
  3. Step 3: Cross multiply
    259,800.40x = 389,700.60 × 252,024.40
  4. Step 4: Simplify right side
    259,800.40x = 98,214,059,894.64
  5. Step 5: Solve for x
    x = 98,214,059,894.64/259,800.40
  6. Step 6: Final answer
    x = 378,036.60

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