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Finding the Fourth Proportional to 568,287.23, 784,238.05 and 310,166.55

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Solution

The fourth proportional to 568,287.23, 784,238.05 and 310,166.55 is: 428,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,287.23 : 784,238.05 = 310,166.55 : x
  2. Step 2: Convert to fraction form
    568,287.23/784,238.05 = 310,166.55/x
  3. Step 3: Cross multiply
    568,287.23x = 784,238.05 × 310,166.55
  4. Step 4: Simplify right side
    568,287.23x = 243,244,410,347.23
  5. Step 5: Solve for x
    x = 243,244,410,347.23/568,287.23
  6. Step 6: Final answer
    x = 428,030.76

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