Home / 728,556.93-1,092,173.81-254,983.95

Finding the Fourth Proportional to 728,556.93, 1,092,173.81 and 254,983.95

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Solution

The fourth proportional to 728,556.93, 1,092,173.81 and 254,983.95 is: 382,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,556.93 : 1,092,173.81 = 254,983.95 : x
  2. Step 2: Convert to fraction form
    728,556.93/1,092,173.81 = 254,983.95/x
  3. Step 3: Cross multiply
    728,556.93x = 1,092,173.81 × 254,983.95
  4. Step 4: Simplify right side
    728,556.93x = 278,486,790,885.43
  5. Step 5: Solve for x
    x = 278,486,790,885.43/728,556.93
  6. Step 6: Final answer
    x = 382,244.38

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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.