Home / 500,858.39-691,182.95-271,416.57

Finding the Fourth Proportional to 500,858.39, 691,182.95 and 271,416.57

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Solution

The fourth proportional to 500,858.39, 691,182.95 and 271,416.57 is: 374,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,858.39 : 691,182.95 = 271,416.57 : x
  2. Step 2: Convert to fraction form
    500,858.39/691,182.95 = 271,416.57/x
  3. Step 3: Cross multiply
    500,858.39x = 691,182.95 × 271,416.57
  4. Step 4: Simplify right side
    500,858.39x = 187,598,504,174.40
  5. Step 5: Solve for x
    x = 187,598,504,174.40/500,858.39
  6. Step 6: Final answer
    x = 374,553.99

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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.