Home / 1,027.91-1,418.36-579.72

Finding the Fourth Proportional to 1,027.91, 1,418.36 and 579.72

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Solution

The fourth proportional to 1,027.91, 1,418.36 and 579.72 is: 799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.91 : 1,418.36 = 579.72 : x
  2. Step 2: Convert to fraction form
    1,027.91/1,418.36 = 579.72/x
  3. Step 3: Cross multiply
    1,027.91x = 1,418.36 × 579.72
  4. Step 4: Simplify right side
    1,027.91x = 822,248.76
  5. Step 5: Solve for x
    x = 822,248.76/1,027.91
  6. Step 6: Final answer
    x = 799.93

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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.