Home / 800,589.66-1,200,899.07-268,011.42

Finding the Fourth Proportional to 800,589.66, 1,200,899.07 and 268,011.42

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Solution

The fourth proportional to 800,589.66, 1,200,899.07 and 268,011.42 is: 402,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,589.66 : 1,200,899.07 = 268,011.42 : x
  2. Step 2: Convert to fraction form
    800,589.66/1,200,899.07 = 268,011.42/x
  3. Step 3: Cross multiply
    800,589.66x = 1,200,899.07 × 268,011.42
  4. Step 4: Simplify right side
    800,589.66x = 321,854,665,027.38
  5. Step 5: Solve for x
    x = 321,854,665,027.38/800,589.66
  6. Step 6: Final answer
    x = 402,022.01

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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.