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Finding the Fourth Proportional to 571,021.20, 787,988.20 and 329,313.84

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Solution

The fourth proportional to 571,021.20, 787,988.20 and 329,313.84 is: 454,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,021.20 : 787,988.20 = 329,313.84 : x
  2. Step 2: Convert to fraction form
    571,021.20/787,988.20 = 329,313.84/x
  3. Step 3: Cross multiply
    571,021.20x = 787,988.20 × 329,313.84
  4. Step 4: Simplify right side
    571,021.20x = 259,495,420,016.69
  5. Step 5: Solve for x
    x = 259,495,420,016.69/571,021.20
  6. Step 6: Final answer
    x = 454,440.96

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