Home / 481,532.38-721,670.82-268,291.67

Finding the Fourth Proportional to 481,532.38, 721,670.82 and 268,291.67

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Solution

The fourth proportional to 481,532.38, 721,670.82 and 268,291.67 is: 402,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,532.38 : 721,670.82 = 268,291.67 : x
  2. Step 2: Convert to fraction form
    481,532.38/721,670.82 = 268,291.67/x
  3. Step 3: Cross multiply
    481,532.38x = 721,670.82 × 268,291.67
  4. Step 4: Simplify right side
    481,532.38x = 193,618,269,488.07
  5. Step 5: Solve for x
    x = 193,618,269,488.07/481,532.38
  6. Step 6: Final answer
    x = 402,087.75

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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.