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Finding the Fourth Proportional to 492,203.70, 738,305.55 and 281,862.90

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Solution

The fourth proportional to 492,203.70, 738,305.55 and 281,862.90 is: 422,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,203.70 : 738,305.55 = 281,862.90 : x
  2. Step 2: Convert to fraction form
    492,203.70/738,305.55 = 281,862.90/x
  3. Step 3: Cross multiply
    492,203.70x = 738,305.55 × 281,862.90
  4. Step 4: Simplify right side
    492,203.70x = 208,100,943,409.10
  5. Step 5: Solve for x
    x = 208,100,943,409.10/492,203.70
  6. Step 6: Final answer
    x = 422,794.35

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