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Finding the Fourth Proportional to 470,147.70, 705,221.55 and 283,523.70

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Solution

The fourth proportional to 470,147.70, 705,221.55 and 283,523.70 is: 425,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,147.70 : 705,221.55 = 283,523.70 : x
  2. Step 2: Convert to fraction form
    470,147.70/705,221.55 = 283,523.70/x
  3. Step 3: Cross multiply
    470,147.70x = 705,221.55 × 283,523.70
  4. Step 4: Simplify right side
    470,147.70x = 199,947,023,175.74
  5. Step 5: Solve for x
    x = 199,947,023,175.74/470,147.70
  6. Step 6: Final answer
    x = 425,285.55

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