Home / 641,163.28-962,076.04-281,586.64

Finding the Fourth Proportional to 641,163.28, 962,076.04 and 281,586.64

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Solution

The fourth proportional to 641,163.28, 962,076.04 and 281,586.64 is: 422,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,163.28 : 962,076.04 = 281,586.64 : x
  2. Step 2: Convert to fraction form
    641,163.28/962,076.04 = 281,586.64/x
  3. Step 3: Cross multiply
    641,163.28x = 962,076.04 × 281,586.64
  4. Step 4: Simplify right side
    641,163.28x = 270,907,759,528.11
  5. Step 5: Solve for x
    x = 270,907,759,528.11/641,163.28
  6. Step 6: Final answer
    x = 422,525.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.