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Finding the Fourth Proportional to 454,976.40, 682,464.60 and 384,117.60

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Solution

The fourth proportional to 454,976.40, 682,464.60 and 384,117.60 is: 576,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,976.40 : 682,464.60 = 384,117.60 : x
  2. Step 2: Convert to fraction form
    454,976.40/682,464.60 = 384,117.60/x
  3. Step 3: Cross multiply
    454,976.40x = 682,464.60 × 384,117.60
  4. Step 4: Simplify right side
    454,976.40x = 262,146,664,236.96
  5. Step 5: Solve for x
    x = 262,146,664,236.96/454,976.40
  6. Step 6: Final answer
    x = 576,176.40

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