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Finding the Fourth Proportional to 470,789.10, 705,961.05 and 171,060.78

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Solution

The fourth proportional to 470,789.10, 705,961.05 and 171,060.78 is: 256,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,789.10 : 705,961.05 = 171,060.78 : x
  2. Step 2: Convert to fraction form
    470,789.10/705,961.05 = 171,060.78/x
  3. Step 3: Cross multiply
    470,789.10x = 705,961.05 × 171,060.78
  4. Step 4: Simplify right side
    470,789.10x = 120,762,247,862.62
  5. Step 5: Solve for x
    x = 120,762,247,862.62/470,789.10
  6. Step 6: Final answer
    x = 256,510.29

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