Home / 874,447.27-1,206,721.04-476,629.11

Finding the Fourth Proportional to 874,447.27, 1,206,721.04 and 476,629.11

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Solution

The fourth proportional to 874,447.27, 1,206,721.04 and 476,629.11 is: 657,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,447.27 : 1,206,721.04 = 476,629.11 : x
  2. Step 2: Convert to fraction form
    874,447.27/1,206,721.04 = 476,629.11/x
  3. Step 3: Cross multiply
    874,447.27x = 1,206,721.04 × 476,629.11
  4. Step 4: Simplify right side
    874,447.27x = 575,158,372,930.33
  5. Step 5: Solve for x
    x = 575,158,372,930.33/874,447.27
  6. Step 6: Final answer
    x = 657,739.34

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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.