Home / 804,133.69-1,205,932.91-324,237.54

Finding the Fourth Proportional to 804,133.69, 1,205,932.91 and 324,237.54

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Solution

The fourth proportional to 804,133.69, 1,205,932.91 and 324,237.54 is: 486,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,133.69 : 1,205,932.91 = 324,237.54 : x
  2. Step 2: Convert to fraction form
    804,133.69/1,205,932.91 = 324,237.54/x
  3. Step 3: Cross multiply
    804,133.69x = 1,205,932.91 × 324,237.54
  4. Step 4: Simplify right side
    804,133.69x = 391,008,720,143.44
  5. Step 5: Solve for x
    x = 391,008,720,143.44/804,133.69
  6. Step 6: Final answer
    x = 486,248.40

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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.