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Finding the Fourth Proportional to 500,435.79, 690,602.76 and 270,995.76

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Solution

The fourth proportional to 500,435.79, 690,602.76 and 270,995.76 is: 373,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,435.79 : 690,602.76 = 270,995.76 : x
  2. Step 2: Convert to fraction form
    500,435.79/690,602.76 = 270,995.76/x
  3. Step 3: Cross multiply
    500,435.79x = 690,602.76 × 270,995.76
  4. Step 4: Simplify right side
    500,435.79x = 187,150,419,804.30
  5. Step 5: Solve for x
    x = 187,150,419,804.30/500,435.79
  6. Step 6: Final answer
    x = 373,974.89

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