Home / 800,589.91-1,200,899.45-268,011.67

Finding the Fourth Proportional to 800,589.91, 1,200,899.45 and 268,011.67

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Solution

The fourth proportional to 800,589.91, 1,200,899.45 and 268,011.67 is: 402,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,589.91 : 1,200,899.45 = 268,011.67 : x
  2. Step 2: Convert to fraction form
    800,589.91/1,200,899.45 = 268,011.67/x
  3. Step 3: Cross multiply
    800,589.91x = 1,200,899.45 × 268,011.67
  4. Step 4: Simplify right side
    800,589.91x = 321,855,065,756.52
  5. Step 5: Solve for x
    x = 321,855,065,756.52/800,589.91
  6. Step 6: Final answer
    x = 402,022.39

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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.