Home / 843,847.24-1,265,771.82-311,137.48

Finding the Fourth Proportional to 843,847.24, 1,265,771.82 and 311,137.48

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Solution

The fourth proportional to 843,847.24, 1,265,771.82 and 311,137.48 is: 466,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,847.24 : 1,265,771.82 = 311,137.48 : x
  2. Step 2: Convert to fraction form
    843,847.24/1,265,771.82 = 311,137.48/x
  3. Step 3: Cross multiply
    843,847.24x = 1,265,771.82 × 311,137.48
  4. Step 4: Simplify right side
    843,847.24x = 393,829,054,329.81
  5. Step 5: Solve for x
    x = 393,829,054,329.81/843,847.24
  6. Step 6: Final answer
    x = 466,706.57

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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.