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Finding the Fourth Proportional to 398,674.29, 550,149.66 and 226,569.24

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Solution

The fourth proportional to 398,674.29, 550,149.66 and 226,569.24 is: 312,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,674.29 : 550,149.66 = 226,569.24 : x
  2. Step 2: Convert to fraction form
    398,674.29/550,149.66 = 226,569.24/x
  3. Step 3: Cross multiply
    398,674.29x = 550,149.66 × 226,569.24
  4. Step 4: Simplify right side
    398,674.29x = 124,646,990,352.46
  5. Step 5: Solve for x
    x = 124,646,990,352.46/398,674.29
  6. Step 6: Final answer
    x = 312,653.70

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