Home / 1,480.14-2,220.27-506.25

Finding the Fourth Proportional to 1,480.14, 2,220.27 and 506.25

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Solution

The fourth proportional to 1,480.14, 2,220.27 and 506.25 is: 759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.14 : 2,220.27 = 506.25 : x
  2. Step 2: Convert to fraction form
    1,480.14/2,220.27 = 506.25/x
  3. Step 3: Cross multiply
    1,480.14x = 2,220.27 × 506.25
  4. Step 4: Simplify right side
    1,480.14x = 1,124,011.69
  5. Step 5: Solve for x
    x = 1,124,011.69/1,480.14
  6. Step 6: Final answer
    x = 759.40

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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.