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Finding the Fourth Proportional to 567,288.62, 782,858.30 and 312,639.81

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Solution

The fourth proportional to 567,288.62, 782,858.30 and 312,639.81 is: 431,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,288.62 : 782,858.30 = 312,639.81 : x
  2. Step 2: Convert to fraction form
    567,288.62/782,858.30 = 312,639.81/x
  3. Step 3: Cross multiply
    567,288.62x = 782,858.30 × 312,639.81
  4. Step 4: Simplify right side
    567,288.62x = 244,752,670,168.92
  5. Step 5: Solve for x
    x = 244,752,670,168.92/567,288.62
  6. Step 6: Final answer
    x = 431,442.94

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