Home / 599,480.21-826,321.80-405,826.85

Finding the Fourth Proportional to 599,480.21, 826,321.80 and 405,826.85

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Solution

The fourth proportional to 599,480.21, 826,321.80 and 405,826.85 is: 559,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,480.21 : 826,321.80 = 405,826.85 : x
  2. Step 2: Convert to fraction form
    599,480.21/826,321.80 = 405,826.85/x
  3. Step 3: Cross multiply
    599,480.21x = 826,321.80 × 405,826.85
  4. Step 4: Simplify right side
    599,480.21x = 335,343,573,180.33
  5. Step 5: Solve for x
    x = 335,343,573,180.33/599,480.21
  6. Step 6: Final answer
    x = 559,390.56

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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.