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Finding the Fourth Proportional to 468,633.20, 646,230.00 and 400,874.47

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Solution

The fourth proportional to 468,633.20, 646,230.00 and 400,874.47 is: 552,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,633.20 : 646,230.00 = 400,874.47 : x
  2. Step 2: Convert to fraction form
    468,633.20/646,230.00 = 400,874.47/x
  3. Step 3: Cross multiply
    468,633.20x = 646,230.00 × 400,874.47
  4. Step 4: Simplify right side
    468,633.20x = 259,057,106,380.89
  5. Step 5: Solve for x
    x = 259,057,106,380.89/468,633.20
  6. Step 6: Final answer
    x = 552,792.91

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