Home / 502,542.98-693,670.92-321,741.86

Finding the Fourth Proportional to 502,542.98, 693,670.92 and 321,741.86

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Solution

The fourth proportional to 502,542.98, 693,670.92 and 321,741.86 is: 444,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,542.98 : 693,670.92 = 321,741.86 : x
  2. Step 2: Convert to fraction form
    502,542.98/693,670.92 = 321,741.86/x
  3. Step 3: Cross multiply
    502,542.98x = 693,670.92 × 321,741.86
  4. Step 4: Simplify right side
    502,542.98x = 223,182,972,028.71
  5. Step 5: Solve for x
    x = 223,182,972,028.71/502,542.98
  6. Step 6: Final answer
    x = 444,107.23

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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.