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Finding the Fourth Proportional to 448,470.32, 618,893.87 and 244,519.56

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Solution

The fourth proportional to 448,470.32, 618,893.87 and 244,519.56 is: 337,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,470.32 : 618,893.87 = 244,519.56 : x
  2. Step 2: Convert to fraction form
    448,470.32/618,893.87 = 244,519.56/x
  3. Step 3: Cross multiply
    448,470.32x = 618,893.87 × 244,519.56
  4. Step 4: Simplify right side
    448,470.32x = 151,331,655,556.50
  5. Step 5: Solve for x
    x = 151,331,655,556.50/448,470.32
  6. Step 6: Final answer
    x = 337,439.63

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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.