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Finding the Fourth Proportional to 474,867.87, 655,257.61 and 378,316.60

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Solution

The fourth proportional to 474,867.87, 655,257.61 and 378,316.60 is: 522,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,867.87 : 655,257.61 = 378,316.60 : x
  2. Step 2: Convert to fraction form
    474,867.87/655,257.61 = 378,316.60/x
  3. Step 3: Cross multiply
    474,867.87x = 655,257.61 × 378,316.60
  4. Step 4: Simplify right side
    474,867.87x = 247,894,831,139.33
  5. Step 5: Solve for x
    x = 247,894,831,139.33/474,867.87
  6. Step 6: Final answer
    x = 522,029.07

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