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Finding the Fourth Proportional to 500,297.44, 690,410.64 and 273,956.80

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Solution

The fourth proportional to 500,297.44, 690,410.64 and 273,956.80 is: 378,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,297.44 : 690,410.64 = 273,956.80 : x
  2. Step 2: Convert to fraction form
    500,297.44/690,410.64 = 273,956.80/x
  3. Step 3: Cross multiply
    500,297.44x = 690,410.64 × 273,956.80
  4. Step 4: Simplify right side
    500,297.44x = 189,142,689,620.35
  5. Step 5: Solve for x
    x = 189,142,689,620.35/500,297.44
  6. Step 6: Final answer
    x = 378,060.48

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