Home / 998,448.28-1,377,859.32-545,739.28

Finding the Fourth Proportional to 998,448.28, 1,377,859.32 and 545,739.28

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Solution

The fourth proportional to 998,448.28, 1,377,859.32 and 545,739.28 is: 753,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,448.28 : 1,377,859.32 = 545,739.28 : x
  2. Step 2: Convert to fraction form
    998,448.28/1,377,859.32 = 545,739.28/x
  3. Step 3: Cross multiply
    998,448.28x = 1,377,859.32 × 545,739.28
  4. Step 4: Simplify right side
    998,448.28x = 751,951,953,238.09
  5. Step 5: Solve for x
    x = 751,951,953,238.09/998,448.28
  6. Step 6: Final answer
    x = 753,120.59

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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.