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Finding the Fourth Proportional to 409,491.80, 613,946.10 and 156,674.60

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Solution

The fourth proportional to 409,491.80, 613,946.10 and 156,674.60 is: 234,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,491.80 : 613,946.10 = 156,674.60 : x
  2. Step 2: Convert to fraction form
    409,491.80/613,946.10 = 156,674.60/x
  3. Step 3: Cross multiply
    409,491.80x = 613,946.10 × 156,674.60
  4. Step 4: Simplify right side
    409,491.80x = 96,189,759,639.06
  5. Step 5: Solve for x
    x = 96,189,759,639.06/409,491.80
  6. Step 6: Final answer
    x = 234,900.33

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