Home / 722,046.60-1,082,771.82-272,691

Finding the Fourth Proportional to 722,046.60, 1,082,771.82 and 272,691

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Solution

The fourth proportional to 722,046.60, 1,082,771.82 and 272,691 is: 408,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,046.60 : 1,082,771.82 = 272,691 : x
  2. Step 2: Convert to fraction form
    722,046.60/1,082,771.82 = 272,691/x
  3. Step 3: Cross multiply
    722,046.60x = 1,082,771.82 × 272,691
  4. Step 4: Simplify right side
    722,046.60x = 295,262,130,367.62
  5. Step 5: Solve for x
    x = 295,262,130,367.62/722,046.60
  6. Step 6: Final answer
    x = 408,923.93

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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.