Home / 763,889.64-1,145,958.42-258,481.68

Finding the Fourth Proportional to 763,889.64, 1,145,958.42 and 258,481.68

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Solution

The fourth proportional to 763,889.64, 1,145,958.42 and 258,481.68 is: 387,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,889.64 : 1,145,958.42 = 258,481.68 : x
  2. Step 2: Convert to fraction form
    763,889.64/1,145,958.42 = 258,481.68/x
  3. Step 3: Cross multiply
    763,889.64x = 1,145,958.42 × 258,481.68
  4. Step 4: Simplify right side
    763,889.64x = 296,209,257,611.75
  5. Step 5: Solve for x
    x = 296,209,257,611.75/763,889.64
  6. Step 6: Final answer
    x = 387,764.47

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