Home / 1,322.38-1,982.20-444.23

Finding the Fourth Proportional to 1,322.38, 1,982.20 and 444.23

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Solution

The fourth proportional to 1,322.38, 1,982.20 and 444.23 is: 665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.38 : 1,982.20 = 444.23 : x
  2. Step 2: Convert to fraction form
    1,322.38/1,982.20 = 444.23/x
  3. Step 3: Cross multiply
    1,322.38x = 1,982.20 × 444.23
  4. Step 4: Simplify right side
    1,322.38x = 880,556.55
  5. Step 5: Solve for x
    x = 880,556.55/1,322.38
  6. Step 6: Final answer
    x = 665.89

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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.