Home / 874,372.50-1,311,611.40-275,353.20

Finding the Fourth Proportional to 874,372.50, 1,311,611.40 and 275,353.20

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Solution

The fourth proportional to 874,372.50, 1,311,611.40 and 275,353.20 is: 413,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,372.50 : 1,311,611.40 = 275,353.20 : x
  2. Step 2: Convert to fraction form
    874,372.50/1,311,611.40 = 275,353.20/x
  3. Step 3: Cross multiply
    874,372.50x = 1,311,611.40 × 275,353.20
  4. Step 4: Simplify right side
    874,372.50x = 361,156,396,146.48
  5. Step 5: Solve for x
    x = 361,156,396,146.48/874,372.50
  6. Step 6: Final answer
    x = 413,046.38

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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.