Home / 1,480.04-2,220.22-453.96

Finding the Fourth Proportional to 1,480.04, 2,220.22 and 453.96

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Solution

The fourth proportional to 1,480.04, 2,220.22 and 453.96 is: 680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.04 : 2,220.22 = 453.96 : x
  2. Step 2: Convert to fraction form
    1,480.04/2,220.22 = 453.96/x
  3. Step 3: Cross multiply
    1,480.04x = 2,220.22 × 453.96
  4. Step 4: Simplify right side
    1,480.04x = 1,007,891.07
  5. Step 5: Solve for x
    x = 1,007,891.07/1,480.04
  6. Step 6: Final answer
    x = 680.99

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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.