Home / 454,555.91-681,833.84-431,826.29

Finding the Fourth Proportional to 454,555.91, 681,833.84 and 431,826.29

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Solution

The fourth proportional to 454,555.91, 681,833.84 and 431,826.29 is: 647,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,555.91 : 681,833.84 = 431,826.29 : x
  2. Step 2: Convert to fraction form
    454,555.91/681,833.84 = 431,826.29/x
  3. Step 3: Cross multiply
    454,555.91x = 681,833.84 × 431,826.29
  4. Step 4: Simplify right side
    454,555.91x = 294,433,780,776.57
  5. Step 5: Solve for x
    x = 294,433,780,776.57/454,555.91
  6. Step 6: Final answer
    x = 647,739.42

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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.