Home / 725,989.11-1,001,823.75-403,692.27

Finding the Fourth Proportional to 725,989.11, 1,001,823.75 and 403,692.27

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Solution

The fourth proportional to 725,989.11, 1,001,823.75 and 403,692.27 is: 557,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,989.11 : 1,001,823.75 = 403,692.27 : x
  2. Step 2: Convert to fraction form
    725,989.11/1,001,823.75 = 403,692.27/x
  3. Step 3: Cross multiply
    725,989.11x = 1,001,823.75 × 403,692.27
  4. Step 4: Simplify right side
    725,989.11x = 404,428,503,777.41
  5. Step 5: Solve for x
    x = 404,428,503,777.41/725,989.11
  6. Step 6: Final answer
    x = 557,072.41

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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.