Home / 830,189.82-1,244,453.25-324,054.84

Finding the Fourth Proportional to 830,189.82, 1,244,453.25 and 324,054.84

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Solution

The fourth proportional to 830,189.82, 1,244,453.25 and 324,054.84 is: 485,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,189.82 : 1,244,453.25 = 324,054.84 : x
  2. Step 2: Convert to fraction form
    830,189.82/1,244,453.25 = 324,054.84/x
  3. Step 3: Cross multiply
    830,189.82x = 1,244,453.25 × 324,054.84
  4. Step 4: Simplify right side
    830,189.82x = 403,271,098,816.23
  5. Step 5: Solve for x
    x = 403,271,098,816.23/830,189.82
  6. Step 6: Final answer
    x = 485,757.70

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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.