Home / 691,301.40-1,036,952.10-218,131.80

Finding the Fourth Proportional to 691,301.40, 1,036,952.10 and 218,131.80

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Solution

The fourth proportional to 691,301.40, 1,036,952.10 and 218,131.80 is: 327,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,301.40 : 1,036,952.10 = 218,131.80 : x
  2. Step 2: Convert to fraction form
    691,301.40/1,036,952.10 = 218,131.80/x
  3. Step 3: Cross multiply
    691,301.40x = 1,036,952.10 × 218,131.80
  4. Step 4: Simplify right side
    691,301.40x = 226,192,228,086.78
  5. Step 5: Solve for x
    x = 226,192,228,086.78/691,301.40
  6. Step 6: Final answer
    x = 327,197.70

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Double scale
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Similar ratio
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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.