Home / 728,054.10-1,092,573.21-254,743.56

Finding the Fourth Proportional to 728,054.10, 1,092,573.21 and 254,743.56

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Solution

The fourth proportional to 728,054.10, 1,092,573.21 and 254,743.56 is: 382,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,054.10 : 1,092,573.21 = 254,743.56 : x
  2. Step 2: Convert to fraction form
    728,054.10/1,092,573.21 = 254,743.56/x
  3. Step 3: Cross multiply
    728,054.10x = 1,092,573.21 × 254,743.56
  4. Step 4: Simplify right side
    728,054.10x = 278,325,989,076.03
  5. Step 5: Solve for x
    x = 278,325,989,076.03/728,054.10
  6. Step 6: Final answer
    x = 382,287.51

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Double scale
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Similar ratio
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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.