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Finding the Fourth Proportional to 561,959.76, 775,504.44 and 307,311.12

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Solution

The fourth proportional to 561,959.76, 775,504.44 and 307,311.12 is: 424,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,959.76 : 775,504.44 = 307,311.12 : x
  2. Step 2: Convert to fraction form
    561,959.76/775,504.44 = 307,311.12/x
  3. Step 3: Cross multiply
    561,959.76x = 775,504.44 × 307,311.12
  4. Step 4: Simplify right side
    561,959.76x = 238,321,138,021.37
  5. Step 5: Solve for x
    x = 238,321,138,021.37/561,959.76
  6. Step 6: Final answer
    x = 424,089.33

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