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Finding the Fourth Proportional to 484,612.40, 726,832.20 and 306,801.20

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Solution

The fourth proportional to 484,612.40, 726,832.20 and 306,801.20 is: 460,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,612.40 : 726,832.20 = 306,801.20 : x
  2. Step 2: Convert to fraction form
    484,612.40/726,832.20 = 306,801.20/x
  3. Step 3: Cross multiply
    484,612.40x = 726,832.20 × 306,801.20
  4. Step 4: Simplify right side
    484,612.40x = 222,992,991,158.64
  5. Step 5: Solve for x
    x = 222,992,991,158.64/484,612.40
  6. Step 6: Final answer
    x = 460,147.10

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