Home / 682,438.91-942,067.67-440,839.26

Finding the Fourth Proportional to 682,438.91, 942,067.67 and 440,839.26

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Solution

The fourth proportional to 682,438.91, 942,067.67 and 440,839.26 is: 608,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,438.91 : 942,067.67 = 440,839.26 : x
  2. Step 2: Convert to fraction form
    682,438.91/942,067.67 = 440,839.26/x
  3. Step 3: Cross multiply
    682,438.91x = 942,067.67 × 440,839.26
  4. Step 4: Simplify right side
    682,438.91x = 415,300,412,308.53
  5. Step 5: Solve for x
    x = 415,300,412,308.53/682,438.91
  6. Step 6: Final answer
    x = 608,553.25

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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.