Home / 1,060.30-1,590.62-512.52

Finding the Fourth Proportional to 1,060.30, 1,590.62 and 512.52

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Solution

The fourth proportional to 1,060.30, 1,590.62 and 512.52 is: 768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.30 : 1,590.62 = 512.52 : x
  2. Step 2: Convert to fraction form
    1,060.30/1,590.62 = 512.52/x
  3. Step 3: Cross multiply
    1,060.30x = 1,590.62 × 512.52
  4. Step 4: Simplify right side
    1,060.30x = 815,231.81
  5. Step 5: Solve for x
    x = 815,231.81/1,060.30
  6. Step 6: Final answer
    x = 768.87

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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.