Home / 724,915.17-1,086,956.06-298,745.21

Finding the Fourth Proportional to 724,915.17, 1,086,956.06 and 298,745.21

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Solution

The fourth proportional to 724,915.17, 1,086,956.06 and 298,745.21 is: 447,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,915.17 : 1,086,956.06 = 298,745.21 : x
  2. Step 2: Convert to fraction form
    724,915.17/1,086,956.06 = 298,745.21/x
  3. Step 3: Cross multiply
    724,915.17x = 1,086,956.06 × 298,745.21
  4. Step 4: Simplify right side
    724,915.17x = 324,722,919,309.58
  5. Step 5: Solve for x
    x = 324,722,919,309.58/724,915.17
  6. Step 6: Final answer
    x = 447,946.09

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Double scale
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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.