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Finding the Fourth Proportional to 978,747.48, 1,350,393.84 and 570,867.12

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Solution

The fourth proportional to 978,747.48, 1,350,393.84 and 570,867.12 is: 787,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,747.48 : 1,350,393.84 = 570,867.12 : x
  2. Step 2: Convert to fraction form
    978,747.48/1,350,393.84 = 570,867.12/x
  3. Step 3: Cross multiply
    978,747.48x = 1,350,393.84 × 570,867.12
  4. Step 4: Simplify right side
    978,747.48x = 770,895,442,306.54
  5. Step 5: Solve for x
    x = 770,895,442,306.54/978,747.48
  6. Step 6: Final answer
    x = 787,634.66

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