Home / 874,270.16-1,311,290.41-275,234.45

Finding the Fourth Proportional to 874,270.16, 1,311,290.41 and 275,234.45

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Solution

The fourth proportional to 874,270.16, 1,311,290.41 and 275,234.45 is: 412,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,270.16 : 1,311,290.41 = 275,234.45 : x
  2. Step 2: Convert to fraction form
    874,270.16/1,311,290.41 = 275,234.45/x
  3. Step 3: Cross multiply
    874,270.16x = 1,311,290.41 × 275,234.45
  4. Step 4: Simplify right side
    874,270.16x = 360,912,294,786.63
  5. Step 5: Solve for x
    x = 360,912,294,786.63/874,270.16
  6. Step 6: Final answer
    x = 412,815.53

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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.