Home / 874,454.29-1,311,556.84-275,399.86

Finding the Fourth Proportional to 874,454.29, 1,311,556.84 and 275,399.86

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Solution

The fourth proportional to 874,454.29, 1,311,556.84 and 275,399.86 is: 413,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,454.29 : 1,311,556.84 = 275,399.86 : x
  2. Step 2: Convert to fraction form
    874,454.29/1,311,556.84 = 275,399.86/x
  3. Step 3: Cross multiply
    874,454.29x = 1,311,556.84 × 275,399.86
  4. Step 4: Simplify right side
    874,454.29x = 361,202,570,118.04
  5. Step 5: Solve for x
    x = 361,202,570,118.04/874,454.29
  6. Step 6: Final answer
    x = 413,060.55

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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.