Home / 892,741.20-1,339,122.69-261,667.68

Finding the Fourth Proportional to 892,741.20, 1,339,122.69 and 261,667.68

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Solution

The fourth proportional to 892,741.20, 1,339,122.69 and 261,667.68 is: 392,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,741.20 : 1,339,122.69 = 261,667.68 : x
  2. Step 2: Convert to fraction form
    892,741.20/1,339,122.69 = 261,667.68/x
  3. Step 3: Cross multiply
    892,741.20x = 1,339,122.69 × 261,667.68
  4. Step 4: Simplify right side
    892,741.20x = 350,405,127,527.66
  5. Step 5: Solve for x
    x = 350,405,127,527.66/892,741.20
  6. Step 6: Final answer
    x = 392,504.71

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1.5x scale

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.