Home / 998,431.26-1,377,835.83-545,722.26

Finding the Fourth Proportional to 998,431.26, 1,377,835.83 and 545,722.26

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Solution

The fourth proportional to 998,431.26, 1,377,835.83 and 545,722.26 is: 753,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,431.26 : 1,377,835.83 = 545,722.26 : x
  2. Step 2: Convert to fraction form
    998,431.26/1,377,835.83 = 545,722.26/x
  3. Step 3: Cross multiply
    998,431.26x = 1,377,835.83 × 545,722.26
  4. Step 4: Simplify right side
    998,431.26x = 751,915,683,056.58
  5. Step 5: Solve for x
    x = 751,915,683,056.58/998,431.26
  6. Step 6: Final answer
    x = 753,097.10

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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.