Home / 799,081.56-1,199,212.02-378,356.76

Finding the Fourth Proportional to 799,081.56, 1,199,212.02 and 378,356.76

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Solution

The fourth proportional to 799,081.56, 1,199,212.02 and 378,356.76 is: 567,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,081.56 : 1,199,212.02 = 378,356.76 : x
  2. Step 2: Convert to fraction form
    799,081.56/1,199,212.02 = 378,356.76/x
  3. Step 3: Cross multiply
    799,081.56x = 1,199,212.02 × 378,356.76
  4. Step 4: Simplify right side
    799,081.56x = 453,729,974,440.26
  5. Step 5: Solve for x
    x = 453,729,974,440.26/799,081.56
  6. Step 6: Final answer
    x = 567,814.35

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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.