Home / 725,930.20-1,001,777.46-403,637.48

Finding the Fourth Proportional to 725,930.20, 1,001,777.46 and 403,637.48

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Solution

The fourth proportional to 725,930.20, 1,001,777.46 and 403,637.48 is: 557,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,930.20 : 1,001,777.46 = 403,637.48 : x
  2. Step 2: Convert to fraction form
    725,930.20/1,001,777.46 = 403,637.48/x
  3. Step 3: Cross multiply
    725,930.20x = 1,001,777.46 × 403,637.48
  4. Step 4: Simplify right side
    725,930.20x = 404,354,926,709.34
  5. Step 5: Solve for x
    x = 404,354,926,709.34/725,930.20
  6. Step 6: Final answer
    x = 557,016.26

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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.