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Finding the Fourth Proportional to 458,311.60, 687,467.40 and 333,895.60

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Solution

The fourth proportional to 458,311.60, 687,467.40 and 333,895.60 is: 500,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,311.60 : 687,467.40 = 333,895.60 : x
  2. Step 2: Convert to fraction form
    458,311.60/687,467.40 = 333,895.60/x
  3. Step 3: Cross multiply
    458,311.60x = 687,467.40 × 333,895.60
  4. Step 4: Simplify right side
    458,311.60x = 229,542,340,003.44
  5. Step 5: Solve for x
    x = 229,542,340,003.44/458,311.60
  6. Step 6: Final answer
    x = 500,843.40

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