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Finding the Fourth Proportional to 663,449.24, 915,559.98 and 361,643.24

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Solution

The fourth proportional to 663,449.24, 915,559.98 and 361,643.24 is: 499,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,449.24 : 915,559.98 = 361,643.24 : x
  2. Step 2: Convert to fraction form
    663,449.24/915,559.98 = 361,643.24/x
  3. Step 3: Cross multiply
    663,449.24x = 915,559.98 × 361,643.24
  4. Step 4: Simplify right side
    663,449.24x = 331,106,077,581.54
  5. Step 5: Solve for x
    x = 331,106,077,581.54/663,449.24
  6. Step 6: Final answer
    x = 499,067.69

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