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Finding the Fourth Proportional to 354,348.77, 531,772.24 and 320,469.41

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Solution

The fourth proportional to 354,348.77, 531,772.24 and 320,469.41 is: 480,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,348.77 : 531,772.24 = 320,469.41 : x
  2. Step 2: Convert to fraction form
    354,348.77/531,772.24 = 320,469.41/x
  3. Step 3: Cross multiply
    354,348.77x = 531,772.24 × 320,469.41
  4. Step 4: Simplify right side
    354,348.77x = 170,416,734,404.83
  5. Step 5: Solve for x
    x = 170,416,734,404.83/354,348.77
  6. Step 6: Final answer
    x = 480,929.38

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