Home / 800,343.42-1,200,389.85-267,860.22

Finding the Fourth Proportional to 800,343.42, 1,200,389.85 and 267,860.22

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Solution

The fourth proportional to 800,343.42, 1,200,389.85 and 267,860.22 is: 401,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,343.42 : 1,200,389.85 = 267,860.22 : x
  2. Step 2: Convert to fraction form
    800,343.42/1,200,389.85 = 267,860.22/x
  3. Step 3: Cross multiply
    800,343.42x = 1,200,389.85 × 267,860.22
  4. Step 4: Simplify right side
    800,343.42x = 321,536,689,306.77
  5. Step 5: Solve for x
    x = 321,536,689,306.77/800,343.42
  6. Step 6: Final answer
    x = 401,748.40

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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.