Home / 694,223.76-1,040,652.38-405,669.19

Finding the Fourth Proportional to 694,223.76, 1,040,652.38 and 405,669.19

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Solution

The fourth proportional to 694,223.76, 1,040,652.38 and 405,669.19 is: 608,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,223.76 : 1,040,652.38 = 405,669.19 : x
  2. Step 2: Convert to fraction form
    694,223.76/1,040,652.38 = 405,669.19/x
  3. Step 3: Cross multiply
    694,223.76x = 1,040,652.38 × 405,669.19
  4. Step 4: Simplify right side
    694,223.76x = 422,160,605,288.12
  5. Step 5: Solve for x
    x = 422,160,605,288.12/694,223.76
  6. Step 6: Final answer
    x = 608,104.52

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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.