Home / 682,921.44-942,406.88-376,991.26

Finding the Fourth Proportional to 682,921.44, 942,406.88 and 376,991.26

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Solution

The fourth proportional to 682,921.44, 942,406.88 and 376,991.26 is: 520,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,921.44 : 942,406.88 = 376,991.26 : x
  2. Step 2: Convert to fraction form
    682,921.44/942,406.88 = 376,991.26/x
  3. Step 3: Cross multiply
    682,921.44x = 942,406.88 × 376,991.26
  4. Step 4: Simplify right side
    682,921.44x = 355,279,157,123.87
  5. Step 5: Solve for x
    x = 355,279,157,123.87/682,921.44
  6. Step 6: Final answer
    x = 520,234.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.