Home / 1,322.24-1,983.49-456.44

Finding the Fourth Proportional to 1,322.24, 1,983.49 and 456.44

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Solution

The fourth proportional to 1,322.24, 1,983.49 and 456.44 is: 684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.24 : 1,983.49 = 456.44 : x
  2. Step 2: Convert to fraction form
    1,322.24/1,983.49 = 456.44/x
  3. Step 3: Cross multiply
    1,322.24x = 1,983.49 × 456.44
  4. Step 4: Simplify right side
    1,322.24x = 905,344.18
  5. Step 5: Solve for x
    x = 905,344.18/1,322.24
  6. Step 6: Final answer
    x = 684.70

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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.