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Finding the Fourth Proportional to 471,420.70, 650,548.06 and 256,556.15

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Solution

The fourth proportional to 471,420.70, 650,548.06 and 256,556.15 is: 354,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,420.70 : 650,548.06 = 256,556.15 : x
  2. Step 2: Convert to fraction form
    471,420.70/650,548.06 = 256,556.15/x
  3. Step 3: Cross multiply
    471,420.70x = 650,548.06 × 256,556.15
  4. Step 4: Simplify right side
    471,420.70x = 166,902,105,663.57
  5. Step 5: Solve for x
    x = 166,902,105,663.57/471,420.70
  6. Step 6: Final answer
    x = 354,040.68

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