Home / 998,009.28-1,377,222.24-545,299.68

Finding the Fourth Proportional to 998,009.28, 1,377,222.24 and 545,299.68

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Solution

The fourth proportional to 998,009.28, 1,377,222.24 and 545,299.68 is: 752,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,009.28 : 1,377,222.24 = 545,299.68 : x
  2. Step 2: Convert to fraction form
    998,009.28/1,377,222.24 = 545,299.68/x
  3. Step 3: Cross multiply
    998,009.28x = 1,377,222.24 × 545,299.68
  4. Step 4: Simplify right side
    998,009.28x = 750,998,846,760.88
  5. Step 5: Solve for x
    x = 750,998,846,760.88/998,009.28
  6. Step 6: Final answer
    x = 752,496.86

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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.