Home / 666,704.14-1,000,166.37-217,294.54

Finding the Fourth Proportional to 666,704.14, 1,000,166.37 and 217,294.54

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Solution

The fourth proportional to 666,704.14, 1,000,166.37 and 217,294.54 is: 325,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,704.14 : 1,000,166.37 = 217,294.54 : x
  2. Step 2: Convert to fraction form
    666,704.14/1,000,166.37 = 217,294.54/x
  3. Step 3: Cross multiply
    666,704.14x = 1,000,166.37 × 217,294.54
  4. Step 4: Simplify right side
    666,704.14x = 217,330,691,292.62
  5. Step 5: Solve for x
    x = 217,330,691,292.62/666,704.14
  6. Step 6: Final answer
    x = 325,977.71

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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.