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Finding the Fourth Proportional to 451,359.92, 622,656.24 and 379,713.80

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Solution

The fourth proportional to 451,359.92, 622,656.24 and 379,713.80 is: 523,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,359.92 : 622,656.24 = 379,713.80 : x
  2. Step 2: Convert to fraction form
    451,359.92/622,656.24 = 379,713.80/x
  3. Step 3: Cross multiply
    451,359.92x = 622,656.24 × 379,713.80
  4. Step 4: Simplify right side
    451,359.92x = 236,431,166,984.11
  5. Step 5: Solve for x
    x = 236,431,166,984.11/451,359.92
  6. Step 6: Final answer
    x = 523,819.59

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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.