Home / 756,279.57-1,043,652.42-412,118.54

Finding the Fourth Proportional to 756,279.57, 1,043,652.42 and 412,118.54

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Solution

The fourth proportional to 756,279.57, 1,043,652.42 and 412,118.54 is: 568,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,279.57 : 1,043,652.42 = 412,118.54 : x
  2. Step 2: Convert to fraction form
    756,279.57/1,043,652.42 = 412,118.54/x
  3. Step 3: Cross multiply
    756,279.57x = 1,043,652.42 × 412,118.54
  4. Step 4: Simplify right side
    756,279.57x = 430,108,506,379.61
  5. Step 5: Solve for x
    x = 430,108,506,379.61/756,279.57
  6. Step 6: Final answer
    x = 568,716.28

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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.