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Finding the Fourth Proportional to 711,996.81, 982,553.97 and 389,704.10

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Solution

The fourth proportional to 711,996.81, 982,553.97 and 389,704.10 is: 537,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,996.81 : 982,553.97 = 389,704.10 : x
  2. Step 2: Convert to fraction form
    711,996.81/982,553.97 = 389,704.10/x
  3. Step 3: Cross multiply
    711,996.81x = 982,553.97 × 389,704.10
  4. Step 4: Simplify right side
    711,996.81x = 382,905,305,667.51
  5. Step 5: Solve for x
    x = 382,905,305,667.51/711,996.81
  6. Step 6: Final answer
    x = 537,790.76

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