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Finding the Fourth Proportional to 362,912.40, 544,368.60 and 278,834.40

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Solution

The fourth proportional to 362,912.40, 544,368.60 and 278,834.40 is: 418,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,912.40 : 544,368.60 = 278,834.40 : x
  2. Step 2: Convert to fraction form
    362,912.40/544,368.60 = 278,834.40/x
  3. Step 3: Cross multiply
    362,912.40x = 544,368.60 × 278,834.40
  4. Step 4: Simplify right side
    362,912.40x = 151,788,691,959.84
  5. Step 5: Solve for x
    x = 151,788,691,959.84/362,912.40
  6. Step 6: Final answer
    x = 418,251.60

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