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Finding the Fourth Proportional to 649,447.22, 896,198.55 and 359,041.40

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Solution

The fourth proportional to 649,447.22, 896,198.55 and 359,041.40 is: 495,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,447.22 : 896,198.55 = 359,041.40 : x
  2. Step 2: Convert to fraction form
    649,447.22/896,198.55 = 359,041.40/x
  3. Step 3: Cross multiply
    649,447.22x = 896,198.55 × 359,041.40
  4. Step 4: Simplify right side
    649,447.22x = 321,772,377,588.98
  5. Step 5: Solve for x
    x = 321,772,377,588.98/649,447.22
  6. Step 6: Final answer
    x = 495,455.78

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