Home / 1,473.22-2,209.55-433.20

Finding the Fourth Proportional to 1,473.22, 2,209.55 and 433.20

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Solution

The fourth proportional to 1,473.22, 2,209.55 and 433.20 is: 649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.22 : 2,209.55 = 433.20 : x
  2. Step 2: Convert to fraction form
    1,473.22/2,209.55 = 433.20/x
  3. Step 3: Cross multiply
    1,473.22x = 2,209.55 × 433.20
  4. Step 4: Simplify right side
    1,473.22x = 957,178.14
  5. Step 5: Solve for x
    x = 957,178.14/1,473.22
  6. Step 6: Final answer
    x = 649.72

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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.