Home / 454,572.20-681,858.23-431,842.59

Finding the Fourth Proportional to 454,572.20, 681,858.23 and 431,842.59

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Solution

The fourth proportional to 454,572.20, 681,858.23 and 431,842.59 is: 647,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,572.20 : 681,858.23 = 431,842.59 : x
  2. Step 2: Convert to fraction form
    454,572.20/681,858.23 = 431,842.59/x
  3. Step 3: Cross multiply
    454,572.20x = 681,858.23 × 431,842.59
  4. Step 4: Simplify right side
    454,572.20x = 294,455,421,896.80
  5. Step 5: Solve for x
    x = 294,455,421,896.80/454,572.20
  6. Step 6: Final answer
    x = 647,763.82

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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.