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Finding the Fourth Proportional to 646,871.30, 970,306.95 and 366,935.30

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Solution

The fourth proportional to 646,871.30, 970,306.95 and 366,935.30 is: 550,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,871.30 : 970,306.95 = 366,935.30 : x
  2. Step 2: Convert to fraction form
    646,871.30/970,306.95 = 366,935.30/x
  3. Step 3: Cross multiply
    646,871.30x = 970,306.95 × 366,935.30
  4. Step 4: Simplify right side
    646,871.30x = 356,039,871,790.34
  5. Step 5: Solve for x
    x = 356,039,871,790.34/646,871.30
  6. Step 6: Final answer
    x = 550,402.95

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