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Finding the Fourth Proportional to 571,164.72, 788,197.88 and 313,039.68

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Solution

The fourth proportional to 571,164.72, 788,197.88 and 313,039.68 is: 431,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,164.72 : 788,197.88 = 313,039.68 : x
  2. Step 2: Convert to fraction form
    571,164.72/788,197.88 = 313,039.68/x
  3. Step 3: Cross multiply
    571,164.72x = 788,197.88 × 313,039.68
  4. Step 4: Simplify right side
    571,164.72x = 246,737,212,131.88
  5. Step 5: Solve for x
    x = 246,737,212,131.88/571,164.72
  6. Step 6: Final answer
    x = 431,989.59

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