Home / 728,556.11-1,092,172.58-254,983.13

Finding the Fourth Proportional to 728,556.11, 1,092,172.58 and 254,983.13

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Solution

The fourth proportional to 728,556.11, 1,092,172.58 and 254,983.13 is: 382,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,556.11 : 1,092,172.58 = 254,983.13 : x
  2. Step 2: Convert to fraction form
    728,556.11/1,092,172.58 = 254,983.13/x
  3. Step 3: Cross multiply
    728,556.11x = 1,092,172.58 × 254,983.13
  4. Step 4: Simplify right side
    728,556.11x = 278,485,582,948.58
  5. Step 5: Solve for x
    x = 278,485,582,948.58/728,556.11
  6. Step 6: Final answer
    x = 382,243.15

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1.5x scale

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.