Home / 820,982.40-1,231,350.48-259,944

Finding the Fourth Proportional to 820,982.40, 1,231,350.48 and 259,944

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Solution

The fourth proportional to 820,982.40, 1,231,350.48 and 259,944 is: 389,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,982.40 : 1,231,350.48 = 259,944 : x
  2. Step 2: Convert to fraction form
    820,982.40/1,231,350.48 = 259,944/x
  3. Step 3: Cross multiply
    820,982.40x = 1,231,350.48 × 259,944
  4. Step 4: Simplify right side
    820,982.40x = 320,082,169,173.12
  5. Step 5: Solve for x
    x = 320,082,169,173.12/820,982.40
  6. Step 6: Final answer
    x = 389,877.02

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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.