Home / 691,928.06-1,037,885.85-218,613.38

Finding the Fourth Proportional to 691,928.06, 1,037,885.85 and 218,613.38

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Solution

The fourth proportional to 691,928.06, 1,037,885.85 and 218,613.38 is: 327,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,928.06 : 1,037,885.85 = 218,613.38 : x
  2. Step 2: Convert to fraction form
    691,928.06/1,037,885.85 = 218,613.38/x
  3. Step 3: Cross multiply
    691,928.06x = 1,037,885.85 × 218,613.38
  4. Step 4: Simplify right side
    691,928.06x = 226,895,728,533.24
  5. Step 5: Solve for x
    x = 226,895,728,533.24/691,928.06
  6. Step 6: Final answer
    x = 327,918.09

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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.