Home / 669,820.82-1,004,764.07-270,411.78

Finding the Fourth Proportional to 669,820.82, 1,004,764.07 and 270,411.78

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Solution

The fourth proportional to 669,820.82, 1,004,764.07 and 270,411.78 is: 405,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,820.82 : 1,004,764.07 = 270,411.78 : x
  2. Step 2: Convert to fraction form
    669,820.82/1,004,764.07 = 270,411.78/x
  3. Step 3: Cross multiply
    669,820.82x = 1,004,764.07 × 270,411.78
  4. Step 4: Simplify right side
    669,820.82x = 271,700,040,648.75
  5. Step 5: Solve for x
    x = 271,700,040,648.75/669,820.82
  6. Step 6: Final answer
    x = 405,630.93

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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.