Home / 447,370.74-617,353.04-243,422.46

Finding the Fourth Proportional to 447,370.74, 617,353.04 and 243,422.46

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Solution

The fourth proportional to 447,370.74, 617,353.04 and 243,422.46 is: 335,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,370.74 : 617,353.04 = 243,422.46 : x
  2. Step 2: Convert to fraction form
    447,370.74/617,353.04 = 243,422.46/x
  3. Step 3: Cross multiply
    447,370.74x = 617,353.04 × 243,422.46
  4. Step 4: Simplify right side
    447,370.74x = 150,277,595,685.28
  5. Step 5: Solve for x
    x = 150,277,595,685.28/447,370.74
  6. Step 6: Final answer
    x = 335,912.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.