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Finding the Fourth Proportional to 580,769.76, 801,471.60 and 326,115.48

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Solution

The fourth proportional to 580,769.76, 801,471.60 and 326,115.48 is: 450,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,769.76 : 801,471.60 = 326,115.48 : x
  2. Step 2: Convert to fraction form
    580,769.76/801,471.60 = 326,115.48/x
  3. Step 3: Cross multiply
    580,769.76x = 801,471.60 × 326,115.48
  4. Step 4: Simplify right side
    580,769.76x = 261,372,295,540.37
  5. Step 5: Solve for x
    x = 261,372,295,540.37/580,769.76
  6. Step 6: Final answer
    x = 450,044.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.