Home / 998,347.56-1,377,717.22-545,641.80

Finding the Fourth Proportional to 998,347.56, 1,377,717.22 and 545,641.80

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Solution

The fourth proportional to 998,347.56, 1,377,717.22 and 545,641.80 is: 752,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,347.56 : 1,377,717.22 = 545,641.80 : x
  2. Step 2: Convert to fraction form
    998,347.56/1,377,717.22 = 545,641.80/x
  3. Step 3: Cross multiply
    998,347.56x = 1,377,717.22 × 545,641.80
  4. Step 4: Simplify right side
    998,347.56x = 751,740,103,811.80
  5. Step 5: Solve for x
    x = 751,740,103,811.80/998,347.56
  6. Step 6: Final answer
    x = 752,984.37

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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.