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Finding the Fourth Proportional to 502,536.98, 693,662.65 and 321,735.86

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Solution

The fourth proportional to 502,536.98, 693,662.65 and 321,735.86 is: 444,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,536.98 : 693,662.65 = 321,735.86 : x
  2. Step 2: Convert to fraction form
    502,536.98/693,662.65 = 321,735.86/x
  3. Step 3: Cross multiply
    502,536.98x = 693,662.65 × 321,735.86
  4. Step 4: Simplify right side
    502,536.98x = 223,176,150,177.45
  5. Step 5: Solve for x
    x = 223,176,150,177.45/502,536.98
  6. Step 6: Final answer
    x = 444,098.96

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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.