Home / 1,244.97-1,865.77-475.05

Finding the Fourth Proportional to 1,244.97, 1,865.77 and 475.05

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Solution

The fourth proportional to 1,244.97, 1,865.77 and 475.05 is: 711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.97 : 1,865.77 = 475.05 : x
  2. Step 2: Convert to fraction form
    1,244.97/1,865.77 = 475.05/x
  3. Step 3: Cross multiply
    1,244.97x = 1,865.77 × 475.05
  4. Step 4: Simplify right side
    1,244.97x = 886,334.04
  5. Step 5: Solve for x
    x = 886,334.04/1,244.97
  6. Step 6: Final answer
    x = 711.93

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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.