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Finding the Fourth Proportional to 409,556.48, 565,190.57 and 228,279.92

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Solution

The fourth proportional to 409,556.48, 565,190.57 and 228,279.92 is: 315,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,556.48 : 565,190.57 = 228,279.92 : x
  2. Step 2: Convert to fraction form
    409,556.48/565,190.57 = 228,279.92/x
  3. Step 3: Cross multiply
    409,556.48x = 565,190.57 × 228,279.92
  4. Step 4: Simplify right side
    409,556.48x = 129,021,654,137.00
  5. Step 5: Solve for x
    x = 129,021,654,137.00/409,556.48
  6. Step 6: Final answer
    x = 315,027.75

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