Home / 809,163.43-1,116,640.04-446,587.29

Finding the Fourth Proportional to 809,163.43, 1,116,640.04 and 446,587.29

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Solution

The fourth proportional to 809,163.43, 1,116,640.04 and 446,587.29 is: 616,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,163.43 : 1,116,640.04 = 446,587.29 : x
  2. Step 2: Convert to fraction form
    809,163.43/1,116,640.04 = 446,587.29/x
  3. Step 3: Cross multiply
    809,163.43x = 1,116,640.04 × 446,587.29
  4. Step 4: Simplify right side
    809,163.43x = 498,677,249,369.09
  5. Step 5: Solve for x
    x = 498,677,249,369.09/809,163.43
  6. Step 6: Final answer
    x = 616,287.43

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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.