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Finding the Fourth Proportional to 572,919.85, 857,755.86 and 476,079.49

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Solution

The fourth proportional to 572,919.85, 857,755.86 and 476,079.49 is: 712,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,919.85 : 857,755.86 = 476,079.49 : x
  2. Step 2: Convert to fraction form
    572,919.85/857,755.86 = 476,079.49/x
  3. Step 3: Cross multiply
    572,919.85x = 857,755.86 × 476,079.49
  4. Step 4: Simplify right side
    572,919.85x = 408,359,972,373.31
  5. Step 5: Solve for x
    x = 408,359,972,373.31/572,919.85
  6. Step 6: Final answer
    x = 712,769.81

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