Home / 1,079,255.40-1,618,883.10-331,204.20

Finding the Fourth Proportional to 1,079,255.40, 1,618,883.10 and 331,204.20

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Solution

The fourth proportional to 1,079,255.40, 1,618,883.10 and 331,204.20 is: 496,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,255.40 : 1,618,883.10 = 331,204.20 : x
  2. Step 2: Convert to fraction form
    1,079,255.40/1,618,883.10 = 331,204.20/x
  3. Step 3: Cross multiply
    1,079,255.40x = 1,618,883.10 × 331,204.20
  4. Step 4: Simplify right side
    1,079,255.40x = 536,180,882,029.02
  5. Step 5: Solve for x
    x = 536,180,882,029.02/1,079,255.40
  6. Step 6: Final answer
    x = 496,806.30

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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.