Home / 1,067.19-1,472.61-625.01

Finding the Fourth Proportional to 1,067.19, 1,472.61 and 625.01

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Solution

The fourth proportional to 1,067.19, 1,472.61 and 625.01 is: 862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.19 : 1,472.61 = 625.01 : x
  2. Step 2: Convert to fraction form
    1,067.19/1,472.61 = 625.01/x
  3. Step 3: Cross multiply
    1,067.19x = 1,472.61 × 625.01
  4. Step 4: Simplify right side
    1,067.19x = 920,388.61
  5. Step 5: Solve for x
    x = 920,388.61/1,067.19
  6. Step 6: Final answer
    x = 862.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.