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Finding the Fourth Proportional to 322,312.20, 482,885.10 and 262,825.80

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Solution

The fourth proportional to 322,312.20, 482,885.10 and 262,825.80 is: 393,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,312.20 : 482,885.10 = 262,825.80 : x
  2. Step 2: Convert to fraction form
    322,312.20/482,885.10 = 262,825.80/x
  3. Step 3: Cross multiply
    322,312.20x = 482,885.10 × 262,825.80
  4. Step 4: Simplify right side
    322,312.20x = 126,914,662,715.58
  5. Step 5: Solve for x
    x = 126,914,662,715.58/322,312.20
  6. Step 6: Final answer
    x = 393,763.14

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