Home / 874,383.57-1,206,631.14-487,197.43

Finding the Fourth Proportional to 874,383.57, 1,206,631.14 and 487,197.43

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Solution

The fourth proportional to 874,383.57, 1,206,631.14 and 487,197.43 is: 672,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,383.57 : 1,206,631.14 = 487,197.43 : x
  2. Step 2: Convert to fraction form
    874,383.57/1,206,631.14 = 487,197.43/x
  3. Step 3: Cross multiply
    874,383.57x = 1,206,631.14 × 487,197.43
  4. Step 4: Simplify right side
    874,383.57x = 587,867,590,365.97
  5. Step 5: Solve for x
    x = 587,867,590,365.97/874,383.57
  6. Step 6: Final answer
    x = 672,322.32

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1.5x scale

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.