Home / 691,883.10-1,037,727.45-218,616.30

Finding the Fourth Proportional to 691,883.10, 1,037,727.45 and 218,616.30

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Solution

The fourth proportional to 691,883.10, 1,037,727.45 and 218,616.30 is: 327,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,883.10 : 1,037,727.45 = 218,616.30 : x
  2. Step 2: Convert to fraction form
    691,883.10/1,037,727.45 = 218,616.30/x
  3. Step 3: Cross multiply
    691,883.10x = 1,037,727.45 × 218,616.30
  4. Step 4: Simplify right side
    691,883.10x = 226,864,135,527.44
  5. Step 5: Solve for x
    x = 226,864,135,527.44/691,883.10
  6. Step 6: Final answer
    x = 327,893.74

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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.