Home / 414,922.20-622,383.30-204,532.80

Finding the Fourth Proportional to 414,922.20, 622,383.30 and 204,532.80

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Solution

The fourth proportional to 414,922.20, 622,383.30 and 204,532.80 is: 306,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,922.20 : 622,383.30 = 204,532.80 : x
  2. Step 2: Convert to fraction form
    414,922.20/622,383.30 = 204,532.80/x
  3. Step 3: Cross multiply
    414,922.20x = 622,383.30 × 204,532.80
  4. Step 4: Simplify right side
    414,922.20x = 127,297,799,022.24
  5. Step 5: Solve for x
    x = 127,297,799,022.24/414,922.20
  6. Step 6: Final answer
    x = 306,799.20

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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.