Home / 728,998.20-1,093,497.30-230,362.20

Finding the Fourth Proportional to 728,998.20, 1,093,497.30 and 230,362.20

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Solution

The fourth proportional to 728,998.20, 1,093,497.30 and 230,362.20 is: 345,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,998.20 : 1,093,497.30 = 230,362.20 : x
  2. Step 2: Convert to fraction form
    728,998.20/1,093,497.30 = 230,362.20/x
  3. Step 3: Cross multiply
    728,998.20x = 1,093,497.30 × 230,362.20
  4. Step 4: Simplify right side
    728,998.20x = 251,900,443,722.06
  5. Step 5: Solve for x
    x = 251,900,443,722.06/728,998.20
  6. Step 6: Final answer
    x = 345,543.30

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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.