Home / 880,383.76-1,320,191.09-311,575.82

Finding the Fourth Proportional to 880,383.76, 1,320,191.09 and 311,575.82

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Solution

The fourth proportional to 880,383.76, 1,320,191.09 and 311,575.82 is: 467,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,383.76 : 1,320,191.09 = 311,575.82 : x
  2. Step 2: Convert to fraction form
    880,383.76/1,320,191.09 = 311,575.82/x
  3. Step 3: Cross multiply
    880,383.76x = 1,320,191.09 × 311,575.82
  4. Step 4: Simplify right side
    880,383.76x = 411,339,621,423.44
  5. Step 5: Solve for x
    x = 411,339,621,423.44/880,383.76
  6. Step 6: Final answer
    x = 467,227.63

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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.