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Finding the Fourth Proportional to 664,351.20, 996,526.80 and 309,401.10

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Solution

The fourth proportional to 664,351.20, 996,526.80 and 309,401.10 is: 464,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,351.20 : 996,526.80 = 309,401.10 : x
  2. Step 2: Convert to fraction form
    664,351.20/996,526.80 = 309,401.10/x
  3. Step 3: Cross multiply
    664,351.20x = 996,526.80 × 309,401.10
  4. Step 4: Simplify right side
    664,351.20x = 308,326,488,099.48
  5. Step 5: Solve for x
    x = 308,326,488,099.48/664,351.20
  6. Step 6: Final answer
    x = 464,101.65

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