Home / 756,379.35-1,043,830-412,243.97

Finding the Fourth Proportional to 756,379.35, 1,043,830 and 412,243.97

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Solution

The fourth proportional to 756,379.35, 1,043,830 and 412,243.97 is: 568,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,379.35 : 1,043,830 = 412,243.97 : x
  2. Step 2: Convert to fraction form
    756,379.35/1,043,830 = 412,243.97/x
  3. Step 3: Cross multiply
    756,379.35x = 1,043,830 × 412,243.97
  4. Step 4: Simplify right side
    756,379.35x = 430,312,623,205.10
  5. Step 5: Solve for x
    x = 430,312,623,205.10/756,379.35
  6. Step 6: Final answer
    x = 568,911.12

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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.