Home / 809,991.96-1,117,850.04-465,933.12

Finding the Fourth Proportional to 809,991.96, 1,117,850.04 and 465,933.12

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Solution

The fourth proportional to 809,991.96, 1,117,850.04 and 465,933.12 is: 643,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,991.96 : 1,117,850.04 = 465,933.12 : x
  2. Step 2: Convert to fraction form
    809,991.96/1,117,850.04 = 465,933.12/x
  3. Step 3: Cross multiply
    809,991.96x = 1,117,850.04 × 465,933.12
  4. Step 4: Simplify right side
    809,991.96x = 520,843,356,829.33
  5. Step 5: Solve for x
    x = 520,843,356,829.33/809,991.96
  6. Step 6: Final answer
    x = 643,022.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.