Home / 2,723,543.70-4,085,315.55-728,999.70

Finding the Fourth Proportional to 2,723,543.70, 4,085,315.55 and 728,999.70

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Solution

The fourth proportional to 2,723,543.70, 4,085,315.55 and 728,999.70 is: 1,093,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,543.70 : 4,085,315.55 = 728,999.70 : x
  2. Step 2: Convert to fraction form
    2,723,543.70/4,085,315.55 = 728,999.70/x
  3. Step 3: Cross multiply
    2,723,543.70x = 4,085,315.55 × 728,999.70
  4. Step 4: Simplify right side
    2,723,543.70x = 2,978,193,810,355.33
  5. Step 5: Solve for x
    x = 2,978,193,810,355.33/2,723,543.70
  6. Step 6: Final answer
    x = 1,093,499.55

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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.