Home / 725,983.56-1,001,880.60-403,707.24

Finding the Fourth Proportional to 725,983.56, 1,001,880.60 and 403,707.24

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Solution

The fourth proportional to 725,983.56, 1,001,880.60 and 403,707.24 is: 557,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,983.56 : 1,001,880.60 = 403,707.24 : x
  2. Step 2: Convert to fraction form
    725,983.56/1,001,880.60 = 403,707.24/x
  3. Step 3: Cross multiply
    725,983.56x = 1,001,880.60 × 403,707.24
  4. Step 4: Simplify right side
    725,983.56x = 404,466,451,835.54
  5. Step 5: Solve for x
    x = 404,466,451,835.54/725,983.56
  6. Step 6: Final answer
    x = 557,128.94

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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.