Home / 1,027.04-1,540.09-442.02

Finding the Fourth Proportional to 1,027.04, 1,540.09 and 442.02

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Solution

The fourth proportional to 1,027.04, 1,540.09 and 442.02 is: 662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.04 : 1,540.09 = 442.02 : x
  2. Step 2: Convert to fraction form
    1,027.04/1,540.09 = 442.02/x
  3. Step 3: Cross multiply
    1,027.04x = 1,540.09 × 442.02
  4. Step 4: Simplify right side
    1,027.04x = 680,750.58
  5. Step 5: Solve for x
    x = 680,750.58/1,027.04
  6. Step 6: Final answer
    x = 662.83

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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.