Home / 842,127.92-1,162,003.56-479,348.48

Finding the Fourth Proportional to 842,127.92, 1,162,003.56 and 479,348.48

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Solution

The fourth proportional to 842,127.92, 1,162,003.56 and 479,348.48 is: 661,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,127.92 : 1,162,003.56 = 479,348.48 : x
  2. Step 2: Convert to fraction form
    842,127.92/1,162,003.56 = 479,348.48/x
  3. Step 3: Cross multiply
    842,127.92x = 1,162,003.56 × 479,348.48
  4. Step 4: Simplify right side
    842,127.92x = 557,004,640,240.59
  5. Step 5: Solve for x
    x = 557,004,640,240.59/842,127.92
  6. Step 6: Final answer
    x = 661,425.21

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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.