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Finding the Fourth Proportional to 521,845.20, 782,840.70 and 222,323.40

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Solution

The fourth proportional to 521,845.20, 782,840.70 and 222,323.40 is: 333,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,845.20 : 782,840.70 = 222,323.40 : x
  2. Step 2: Convert to fraction form
    521,845.20/782,840.70 = 222,323.40/x
  3. Step 3: Cross multiply
    521,845.20x = 782,840.70 × 222,323.40
  4. Step 4: Simplify right side
    521,845.20x = 174,043,806,082.38
  5. Step 5: Solve for x
    x = 174,043,806,082.38/521,845.20
  6. Step 6: Final answer
    x = 333,516.16

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