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Finding the Fourth Proportional to 490,734.40, 736,775.52 and 254,240.32

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Solution

The fourth proportional to 490,734.40, 736,775.52 and 254,240.32 is: 381,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,734.40 : 736,775.52 = 254,240.32 : x
  2. Step 2: Convert to fraction form
    490,734.40/736,775.52 = 254,240.32/x
  3. Step 3: Cross multiply
    490,734.40x = 736,775.52 × 254,240.32
  4. Step 4: Simplify right side
    490,734.40x = 187,318,043,972.97
  5. Step 5: Solve for x
    x = 187,318,043,972.97/490,734.40
  6. Step 6: Final answer
    x = 381,709.63

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