Home / 804,344.50-1,206,248.82-324,448.36

Finding the Fourth Proportional to 804,344.50, 1,206,248.82 and 324,448.36

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Solution

The fourth proportional to 804,344.50, 1,206,248.82 and 324,448.36 is: 486,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,344.50 : 1,206,248.82 = 324,448.36 : x
  2. Step 2: Convert to fraction form
    804,344.50/1,206,248.82 = 324,448.36/x
  3. Step 3: Cross multiply
    804,344.50x = 1,206,248.82 × 324,448.36
  4. Step 4: Simplify right side
    804,344.50x = 391,365,451,400.94
  5. Step 5: Solve for x
    x = 391,365,451,400.94/804,344.50
  6. Step 6: Final answer
    x = 486,564.47

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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.