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Finding the Fourth Proportional to 394,722.48, 591,639.84 and 194,619.36

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Solution

The fourth proportional to 394,722.48, 591,639.84 and 194,619.36 is: 291,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,722.48 : 591,639.84 = 194,619.36 : x
  2. Step 2: Convert to fraction form
    394,722.48/591,639.84 = 194,619.36/x
  3. Step 3: Cross multiply
    394,722.48x = 591,639.84 × 194,619.36
  4. Step 4: Simplify right side
    394,722.48x = 115,144,567,011.30
  5. Step 5: Solve for x
    x = 115,144,567,011.30/394,722.48
  6. Step 6: Final answer
    x = 291,710.18

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