Home / 756,375.12-1,043,797.83-412,211.13

Finding the Fourth Proportional to 756,375.12, 1,043,797.83 and 412,211.13

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Solution

The fourth proportional to 756,375.12, 1,043,797.83 and 412,211.13 is: 568,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,375.12 : 1,043,797.83 = 412,211.13 : x
  2. Step 2: Convert to fraction form
    756,375.12/1,043,797.83 = 412,211.13/x
  3. Step 3: Cross multiply
    756,375.12x = 1,043,797.83 × 412,211.13
  4. Step 4: Simplify right side
    756,375.12x = 430,265,082,995.85
  5. Step 5: Solve for x
    x = 430,265,082,995.85/756,375.12
  6. Step 6: Final answer
    x = 568,851.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.