Home / 809,218.62-1,116,729.81-446,634.54

Finding the Fourth Proportional to 809,218.62, 1,116,729.81 and 446,634.54

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Solution

The fourth proportional to 809,218.62, 1,116,729.81 and 446,634.54 is: 616,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,218.62 : 1,116,729.81 = 446,634.54 : x
  2. Step 2: Convert to fraction form
    809,218.62/1,116,729.81 = 446,634.54/x
  3. Step 3: Cross multiply
    809,218.62x = 1,116,729.81 × 446,634.54
  4. Step 4: Simplify right side
    809,218.62x = 498,770,104,993.64
  5. Step 5: Solve for x
    x = 498,770,104,993.64/809,218.62
  6. Step 6: Final answer
    x = 616,360.14

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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.