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Finding the Fourth Proportional to 669,010.39, 923,241.24 and 363,089.42

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Solution

The fourth proportional to 669,010.39, 923,241.24 and 363,089.42 is: 501,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,010.39 : 923,241.24 = 363,089.42 : x
  2. Step 2: Convert to fraction form
    669,010.39/923,241.24 = 363,089.42/x
  3. Step 3: Cross multiply
    669,010.39x = 923,241.24 × 363,089.42
  4. Step 4: Simplify right side
    669,010.39x = 335,219,121,735.48
  5. Step 5: Solve for x
    x = 335,219,121,735.48/669,010.39
  6. Step 6: Final answer
    x = 501,067.14

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Double scale
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Similar ratio
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1.5x scale

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.