Home / 500,849.10-691,167.87-274,494.06

Finding the Fourth Proportional to 500,849.10, 691,167.87 and 274,494.06

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Solution

The fourth proportional to 500,849.10, 691,167.87 and 274,494.06 is: 378,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,849.10 : 691,167.87 = 274,494.06 : x
  2. Step 2: Convert to fraction form
    500,849.10/691,167.87 = 274,494.06/x
  3. Step 3: Cross multiply
    500,849.10x = 691,167.87 × 274,494.06
  4. Step 4: Simplify right side
    500,849.10x = 189,721,474,777.85
  5. Step 5: Solve for x
    x = 189,721,474,777.85/500,849.10
  6. Step 6: Final answer
    x = 378,799.67

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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.