Home / 725,590.33-1,088,396.57-276,336.07

Finding the Fourth Proportional to 725,590.33, 1,088,396.57 and 276,336.07

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Solution

The fourth proportional to 725,590.33, 1,088,396.57 and 276,336.07 is: 414,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,590.33 : 1,088,396.57 = 276,336.07 : x
  2. Step 2: Convert to fraction form
    725,590.33/1,088,396.57 = 276,336.07/x
  3. Step 3: Cross multiply
    725,590.33x = 1,088,396.57 × 276,336.07
  4. Step 4: Simplify right side
    725,590.33x = 300,763,230,755.28
  5. Step 5: Solve for x
    x = 300,763,230,755.28/725,590.33
  6. Step 6: Final answer
    x = 414,508.32

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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.