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Finding the Fourth Proportional to 547,668.34, 755,755.32 and 305,902.78

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Solution

The fourth proportional to 547,668.34, 755,755.32 and 305,902.78 is: 422,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,668.34 : 755,755.32 = 305,902.78 : x
  2. Step 2: Convert to fraction form
    547,668.34/755,755.32 = 305,902.78/x
  3. Step 3: Cross multiply
    547,668.34x = 755,755.32 × 305,902.78
  4. Step 4: Simplify right side
    547,668.34x = 231,187,653,387.79
  5. Step 5: Solve for x
    x = 231,187,653,387.79/547,668.34
  6. Step 6: Final answer
    x = 422,130.76

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