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Finding the Fourth Proportional to 331,338.60, 497,007.90 and 305,677.80

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Solution

The fourth proportional to 331,338.60, 497,007.90 and 305,677.80 is: 458,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,338.60 : 497,007.90 = 305,677.80 : x
  2. Step 2: Convert to fraction form
    331,338.60/497,007.90 = 305,677.80/x
  3. Step 3: Cross multiply
    331,338.60x = 497,007.90 × 305,677.80
  4. Step 4: Simplify right side
    331,338.60x = 151,924,281,454.62
  5. Step 5: Solve for x
    x = 151,924,281,454.62/331,338.60
  6. Step 6: Final answer
    x = 458,516.70

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