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Finding the Fourth Proportional to 362,426.40, 543,639.60 and 344,930.40

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Solution

The fourth proportional to 362,426.40, 543,639.60 and 344,930.40 is: 517,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,426.40 : 543,639.60 = 344,930.40 : x
  2. Step 2: Convert to fraction form
    362,426.40/543,639.60 = 344,930.40/x
  3. Step 3: Cross multiply
    362,426.40x = 543,639.60 × 344,930.40
  4. Step 4: Simplify right side
    362,426.40x = 187,517,824,683.84
  5. Step 5: Solve for x
    x = 187,517,824,683.84/362,426.40
  6. Step 6: Final answer
    x = 517,395.60

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