Home / 412,968.08-619,626.36-225,760.88

Finding the Fourth Proportional to 412,968.08, 619,626.36 and 225,760.88

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Solution

The fourth proportional to 412,968.08, 619,626.36 and 225,760.88 is: 338,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,968.08 : 619,626.36 = 225,760.88 : x
  2. Step 2: Convert to fraction form
    412,968.08/619,626.36 = 225,760.88/x
  3. Step 3: Cross multiply
    412,968.08x = 619,626.36 × 225,760.88
  4. Step 4: Simplify right side
    412,968.08x = 139,887,392,304.80
  5. Step 5: Solve for x
    x = 139,887,392,304.80/412,968.08
  6. Step 6: Final answer
    x = 338,736.57

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1.5x scale

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.