Home / 728,553.56-1,092,168.74-254,980.58

Finding the Fourth Proportional to 728,553.56, 1,092,168.74 and 254,980.58

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Solution

The fourth proportional to 728,553.56, 1,092,168.74 and 254,980.58 is: 382,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,553.56 : 1,092,168.74 = 254,980.58 : x
  2. Step 2: Convert to fraction form
    728,553.56/1,092,168.74 = 254,980.58/x
  3. Step 3: Cross multiply
    728,553.56x = 1,092,168.74 × 254,980.58
  4. Step 4: Simplify right side
    728,553.56x = 278,481,813,959.68
  5. Step 5: Solve for x
    x = 278,481,813,959.68/728,553.56
  6. Step 6: Final answer
    x = 382,239.32

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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.