Home / 669,821.05-1,004,764.38-270,412.03

Finding the Fourth Proportional to 669,821.05, 1,004,764.38 and 270,412.03

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Solution

The fourth proportional to 669,821.05, 1,004,764.38 and 270,412.03 is: 405,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,821.05 : 1,004,764.38 = 270,412.03 : x
  2. Step 2: Convert to fraction form
    669,821.05/1,004,764.38 = 270,412.03/x
  3. Step 3: Cross multiply
    669,821.05x = 1,004,764.38 × 270,412.03
  4. Step 4: Simplify right side
    669,821.05x = 271,700,375,667.49
  5. Step 5: Solve for x
    x = 271,700,375,667.49/669,821.05
  6. Step 6: Final answer
    x = 405,631.29

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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.