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Finding the Fourth Proportional to 410,519.20, 616,239.60 and 317,437.60

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Solution

The fourth proportional to 410,519.20, 616,239.60 and 317,437.60 is: 476,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,519.20 : 616,239.60 = 317,437.60 : x
  2. Step 2: Convert to fraction form
    410,519.20/616,239.60 = 317,437.60/x
  3. Step 3: Cross multiply
    410,519.20x = 616,239.60 × 317,437.60
  4. Step 4: Simplify right side
    410,519.20x = 195,617,619,648.96
  5. Step 5: Solve for x
    x = 195,617,619,648.96/410,519.20
  6. Step 6: Final answer
    x = 476,512.72

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