Home / 724,367.21-1,085,885.57-250,721.33

Finding the Fourth Proportional to 724,367.21, 1,085,885.57 and 250,721.33

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Solution

The fourth proportional to 724,367.21, 1,085,885.57 and 250,721.33 is: 375,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,367.21 : 1,085,885.57 = 250,721.33 : x
  2. Step 2: Convert to fraction form
    724,367.21/1,085,885.57 = 250,721.33/x
  3. Step 3: Cross multiply
    724,367.21x = 1,085,885.57 × 250,721.33
  4. Step 4: Simplify right side
    724,367.21x = 272,254,667,655.17
  5. Step 5: Solve for x
    x = 272,254,667,655.17/724,367.21
  6. Step 6: Final answer
    x = 375,851.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.