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Finding the Fourth Proportional to 458,346.60, 687,519.90 and 333,930.60

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Solution

The fourth proportional to 458,346.60, 687,519.90 and 333,930.60 is: 500,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,346.60 : 687,519.90 = 333,930.60 : x
  2. Step 2: Convert to fraction form
    458,346.60/687,519.90 = 333,930.60/x
  3. Step 3: Cross multiply
    458,346.60x = 687,519.90 × 333,930.60
  4. Step 4: Simplify right side
    458,346.60x = 229,583,932,718.94
  5. Step 5: Solve for x
    x = 229,583,932,718.94/458,346.60
  6. Step 6: Final answer
    x = 500,895.90

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