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Finding the Fourth Proportional to 500,285.18, 750,236.34 and 247,478.78

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Solution

The fourth proportional to 500,285.18, 750,236.34 and 247,478.78 is: 371,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,285.18 : 750,236.34 = 247,478.78 : x
  2. Step 2: Convert to fraction form
    500,285.18/750,236.34 = 247,478.78/x
  3. Step 3: Cross multiply
    500,285.18x = 750,236.34 × 247,478.78
  4. Step 4: Simplify right side
    500,285.18x = 185,667,574,134.87
  5. Step 5: Solve for x
    x = 185,667,574,134.87/500,285.18
  6. Step 6: Final answer
    x = 371,123.47

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