Home / 918,039.33-1,379,383.97-581,238.36

Finding the Fourth Proportional to 918,039.33, 1,379,383.97 and 581,238.36

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Solution

The fourth proportional to 918,039.33, 1,379,383.97 and 581,238.36 is: 873,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,039.33 : 1,379,383.97 = 581,238.36 : x
  2. Step 2: Convert to fraction form
    918,039.33/1,379,383.97 = 581,238.36/x
  3. Step 3: Cross multiply
    918,039.33x = 1,379,383.97 × 581,238.36
  4. Step 4: Simplify right side
    918,039.33x = 801,750,873,626.90
  5. Step 5: Solve for x
    x = 801,750,873,626.90/918,039.33
  6. Step 6: Final answer
    x = 873,329.55

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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.