Home / 806,768.32-1,210,141.40-274,660.42

Finding the Fourth Proportional to 806,768.32, 1,210,141.40 and 274,660.42

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Solution

The fourth proportional to 806,768.32, 1,210,141.40 and 274,660.42 is: 411,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,768.32 : 1,210,141.40 = 274,660.42 : x
  2. Step 2: Convert to fraction form
    806,768.32/1,210,141.40 = 274,660.42/x
  3. Step 3: Cross multiply
    806,768.32x = 1,210,141.40 × 274,660.42
  4. Step 4: Simplify right side
    806,768.32x = 332,377,945,183.39
  5. Step 5: Solve for x
    x = 332,377,945,183.39/806,768.32
  6. Step 6: Final answer
    x = 411,986.86

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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.