Home / 691,304.40-1,036,956.60-218,134.80

Finding the Fourth Proportional to 691,304.40, 1,036,956.60 and 218,134.80

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Solution

The fourth proportional to 691,304.40, 1,036,956.60 and 218,134.80 is: 327,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,304.40 : 1,036,956.60 = 218,134.80 : x
  2. Step 2: Convert to fraction form
    691,304.40/1,036,956.60 = 218,134.80/x
  3. Step 3: Cross multiply
    691,304.40x = 1,036,956.60 × 218,134.80
  4. Step 4: Simplify right side
    691,304.40x = 226,196,320,549.68
  5. Step 5: Solve for x
    x = 226,196,320,549.68/691,304.40
  6. Step 6: Final answer
    x = 327,202.20

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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.