Home / 1,479.24-2,219.97-555.70

Finding the Fourth Proportional to 1,479.24, 2,219.97 and 555.70

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Solution

The fourth proportional to 1,479.24, 2,219.97 and 555.70 is: 833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.24 : 2,219.97 = 555.70 : x
  2. Step 2: Convert to fraction form
    1,479.24/2,219.97 = 555.70/x
  3. Step 3: Cross multiply
    1,479.24x = 2,219.97 × 555.70
  4. Step 4: Simplify right side
    1,479.24x = 1,233,637.33
  5. Step 5: Solve for x
    x = 1,233,637.33/1,479.24
  6. Step 6: Final answer
    x = 833.97

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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.