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Finding the Fourth Proportional to 470,788.10, 705,959.55 and 171,059.78

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Solution

The fourth proportional to 470,788.10, 705,959.55 and 171,059.78 is: 256,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,788.10 : 705,959.55 = 171,059.78 : x
  2. Step 2: Convert to fraction form
    470,788.10/705,959.55 = 171,059.78/x
  3. Step 3: Cross multiply
    470,788.10x = 705,959.55 × 171,059.78
  4. Step 4: Simplify right side
    470,788.10x = 120,761,285,311.90
  5. Step 5: Solve for x
    x = 120,761,285,311.90/470,788.10
  6. Step 6: Final answer
    x = 256,508.79

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