Home / 804,219.41-1,206,562.60-324,199.49

Finding the Fourth Proportional to 804,219.41, 1,206,562.60 and 324,199.49

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Solution

The fourth proportional to 804,219.41, 1,206,562.60 and 324,199.49 is: 486,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,219.41 : 1,206,562.60 = 324,199.49 : x
  2. Step 2: Convert to fraction form
    804,219.41/1,206,562.60 = 324,199.49/x
  3. Step 3: Cross multiply
    804,219.41x = 1,206,562.60 × 324,199.49
  4. Step 4: Simplify right side
    804,219.41x = 391,166,978,470.12
  5. Step 5: Solve for x
    x = 391,166,978,470.12/804,219.41
  6. Step 6: Final answer
    x = 486,393.36

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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.