Home / 756,351.15-1,043,750.66-412,189.85

Finding the Fourth Proportional to 756,351.15, 1,043,750.66 and 412,189.85

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Solution

The fourth proportional to 756,351.15, 1,043,750.66 and 412,189.85 is: 568,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,351.15 : 1,043,750.66 = 412,189.85 : x
  2. Step 2: Convert to fraction form
    756,351.15/1,043,750.66 = 412,189.85/x
  3. Step 3: Cross multiply
    756,351.15x = 1,043,750.66 × 412,189.85
  4. Step 4: Simplify right side
    756,351.15x = 430,223,420,703.10
  5. Step 5: Solve for x
    x = 430,223,420,703.10/756,351.15
  6. Step 6: Final answer
    x = 568,814.39

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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.