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Finding the Fourth Proportional to 500,719.56, 751,079.88 and 126,742.56

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Solution

The fourth proportional to 500,719.56, 751,079.88 and 126,742.56 is: 190,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,719.56 : 751,079.88 = 126,742.56 : x
  2. Step 2: Convert to fraction form
    500,719.56/751,079.88 = 126,742.56/x
  3. Step 3: Cross multiply
    500,719.56x = 751,079.88 × 126,742.56
  4. Step 4: Simplify right side
    500,719.56x = 95,193,786,755.69
  5. Step 5: Solve for x
    x = 95,193,786,755.69/500,719.56
  6. Step 6: Final answer
    x = 190,113.98

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