Home / 431,474.24-595,711.77-278,581.07

Finding the Fourth Proportional to 431,474.24, 595,711.77 and 278,581.07

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Solution

The fourth proportional to 431,474.24, 595,711.77 and 278,581.07 is: 384,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,474.24 : 595,711.77 = 278,581.07 : x
  2. Step 2: Convert to fraction form
    431,474.24/595,711.77 = 278,581.07/x
  3. Step 3: Cross multiply
    431,474.24x = 595,711.77 × 278,581.07
  4. Step 4: Simplify right side
    431,474.24x = 165,954,022,742.79
  5. Step 5: Solve for x
    x = 165,954,022,742.79/431,474.24
  6. Step 6: Final answer
    x = 384,620.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.