Home / 558,183.96-770,314.14-319,766.04

Finding the Fourth Proportional to 558,183.96, 770,314.14 and 319,766.04

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Solution

The fourth proportional to 558,183.96, 770,314.14 and 319,766.04 is: 441,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,183.96 : 770,314.14 = 319,766.04 : x
  2. Step 2: Convert to fraction form
    558,183.96/770,314.14 = 319,766.04/x
  3. Step 3: Cross multiply
    558,183.96x = 770,314.14 × 319,766.04
  4. Step 4: Simplify right side
    558,183.96x = 246,320,302,103.81
  5. Step 5: Solve for x
    x = 246,320,302,103.81/558,183.96
  6. Step 6: Final answer
    x = 441,288.75

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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.