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Finding the Fourth Proportional to 488,758.57, 732,678.18 and 263,781.88

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Solution

The fourth proportional to 488,758.57, 732,678.18 and 263,781.88 is: 395,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,758.57 : 732,678.18 = 263,781.88 : x
  2. Step 2: Convert to fraction form
    488,758.57/732,678.18 = 263,781.88/x
  3. Step 3: Cross multiply
    488,758.57x = 732,678.18 × 263,781.88
  4. Step 4: Simplify right side
    488,758.57x = 193,267,227,755.38
  5. Step 5: Solve for x
    x = 193,267,227,755.38/488,758.57
  6. Step 6: Final answer
    x = 395,424.73

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