Home / 800,434.89-1,200,928.82-302,079.69

Finding the Fourth Proportional to 800,434.89, 1,200,928.82 and 302,079.69

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Solution

The fourth proportional to 800,434.89, 1,200,928.82 and 302,079.69 is: 453,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,434.89 : 1,200,928.82 = 302,079.69 : x
  2. Step 2: Convert to fraction form
    800,434.89/1,200,928.82 = 302,079.69/x
  3. Step 3: Cross multiply
    800,434.89x = 1,200,928.82 × 302,079.69
  4. Step 4: Simplify right side
    800,434.89x = 362,776,204,147.27
  5. Step 5: Solve for x
    x = 362,776,204,147.27/800,434.89
  6. Step 6: Final answer
    x = 453,223.88

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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.