Home / 728,526.22-1,092,920.82-329,354.98

Finding the Fourth Proportional to 728,526.22, 1,092,920.82 and 329,354.98

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Solution

The fourth proportional to 728,526.22, 1,092,920.82 and 329,354.98 is: 494,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,526.22 : 1,092,920.82 = 329,354.98 : x
  2. Step 2: Convert to fraction form
    728,526.22/1,092,920.82 = 329,354.98/x
  3. Step 3: Cross multiply
    728,526.22x = 1,092,920.82 × 329,354.98
  4. Step 4: Simplify right side
    728,526.22x = 359,958,914,812.68
  5. Step 5: Solve for x
    x = 359,958,914,812.68/728,526.22
  6. Step 6: Final answer
    x = 494,091.91

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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.