Home / 500,923.82-691,273.10-271,486.69

Finding the Fourth Proportional to 500,923.82, 691,273.10 and 271,486.69

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Solution

The fourth proportional to 500,923.82, 691,273.10 and 271,486.69 is: 374,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,923.82 : 691,273.10 = 271,486.69 : x
  2. Step 2: Convert to fraction form
    500,923.82/691,273.10 = 271,486.69/x
  3. Step 3: Cross multiply
    500,923.82x = 691,273.10 × 271,486.69
  4. Step 4: Simplify right side
    500,923.82x = 187,671,444,755.57
  5. Step 5: Solve for x
    x = 187,671,444,755.57/500,923.82
  6. Step 6: Final answer
    x = 374,650.67

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Double scale
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1.5x scale

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.