Home / 699,796.55-1,049,687.94-320,609.73

Finding the Fourth Proportional to 699,796.55, 1,049,687.94 and 320,609.73

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Solution

The fourth proportional to 699,796.55, 1,049,687.94 and 320,609.73 is: 480,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,796.55 : 1,049,687.94 = 320,609.73 : x
  2. Step 2: Convert to fraction form
    699,796.55/1,049,687.94 = 320,609.73/x
  3. Step 3: Cross multiply
    699,796.55x = 1,049,687.94 × 320,609.73
  4. Step 4: Simplify right side
    699,796.55x = 336,540,172,166.27
  5. Step 5: Solve for x
    x = 336,540,172,166.27/699,796.55
  6. Step 6: Final answer
    x = 480,911.45

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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.