Home / 502,544.43-693,672.92-321,743.31

Finding the Fourth Proportional to 502,544.43, 693,672.92 and 321,743.31

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Solution

The fourth proportional to 502,544.43, 693,672.92 and 321,743.31 is: 444,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,544.43 : 693,672.92 = 321,743.31 : x
  2. Step 2: Convert to fraction form
    502,544.43/693,672.92 = 321,743.31/x
  3. Step 3: Cross multiply
    502,544.43x = 693,672.92 × 321,743.31
  4. Step 4: Simplify right side
    502,544.43x = 223,184,621,338.17
  5. Step 5: Solve for x
    x = 223,184,621,338.17/502,544.43
  6. Step 6: Final answer
    x = 444,109.23

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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.