Home / 799,870.44-1,199,806.88-320,314.20

Finding the Fourth Proportional to 799,870.44, 1,199,806.88 and 320,314.20

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Solution

The fourth proportional to 799,870.44, 1,199,806.88 and 320,314.20 is: 480,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,870.44 : 1,199,806.88 = 320,314.20 : x
  2. Step 2: Convert to fraction form
    799,870.44/1,199,806.88 = 320,314.20/x
  3. Step 3: Cross multiply
    799,870.44x = 1,199,806.88 × 320,314.20
  4. Step 4: Simplify right side
    799,870.44x = 384,315,180,921.70
  5. Step 5: Solve for x
    x = 384,315,180,921.70/799,870.44
  6. Step 6: Final answer
    x = 480,471.79

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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.