Home / 739,982.82-1,109,524.76-290,164.80

Finding the Fourth Proportional to 739,982.82, 1,109,524.76 and 290,164.80

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Solution

The fourth proportional to 739,982.82, 1,109,524.76 and 290,164.80 is: 435,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,982.82 : 1,109,524.76 = 290,164.80 : x
  2. Step 2: Convert to fraction form
    739,982.82/1,109,524.76 = 290,164.80/x
  3. Step 3: Cross multiply
    739,982.82x = 1,109,524.76 × 290,164.80
  4. Step 4: Simplify right side
    739,982.82x = 321,945,028,629.62
  5. Step 5: Solve for x
    x = 321,945,028,629.62/739,982.82
  6. Step 6: Final answer
    x = 435,070.95

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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.