Home / 728,936.24-1,093,397.88-230,300.24

Finding the Fourth Proportional to 728,936.24, 1,093,397.88 and 230,300.24

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Solution

The fourth proportional to 728,936.24, 1,093,397.88 and 230,300.24 is: 345,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,936.24 : 1,093,397.88 = 230,300.24 : x
  2. Step 2: Convert to fraction form
    728,936.24/1,093,397.88 = 230,300.24/x
  3. Step 3: Cross multiply
    728,936.24x = 1,093,397.88 × 230,300.24
  4. Step 4: Simplify right side
    728,936.24x = 251,809,794,179.49
  5. Step 5: Solve for x
    x = 251,809,794,179.49/728,936.24
  6. Step 6: Final answer
    x = 345,448.31

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Half scale
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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.