Home / 414,425.28-571,993.20-270,919.20

Finding the Fourth Proportional to 414,425.28, 571,993.20 and 270,919.20

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Solution

The fourth proportional to 414,425.28, 571,993.20 and 270,919.20 is: 373,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,425.28 : 571,993.20 = 270,919.20 : x
  2. Step 2: Convert to fraction form
    414,425.28/571,993.20 = 270,919.20/x
  3. Step 3: Cross multiply
    414,425.28x = 571,993.20 × 270,919.20
  4. Step 4: Simplify right side
    414,425.28x = 154,963,940,149.44
  5. Step 5: Solve for x
    x = 154,963,940,149.44/414,425.28
  6. Step 6: Final answer
    x = 373,924.92

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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.