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Finding the Fourth Proportional to 605,016.60, 907,524.90 and 511,704.60

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Solution

The fourth proportional to 605,016.60, 907,524.90 and 511,704.60 is: 767,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,016.60 : 907,524.90 = 511,704.60 : x
  2. Step 2: Convert to fraction form
    605,016.60/907,524.90 = 511,704.60/x
  3. Step 3: Cross multiply
    605,016.60x = 907,524.90 × 511,704.60
  4. Step 4: Simplify right side
    605,016.60x = 464,384,665,944.54
  5. Step 5: Solve for x
    x = 464,384,665,944.54/605,016.60
  6. Step 6: Final answer
    x = 767,556.90

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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.