Home / 998,051.36-1,375,876.82-711,073.22

Finding the Fourth Proportional to 998,051.36, 1,375,876.82 and 711,073.22

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Solution

The fourth proportional to 998,051.36, 1,375,876.82 and 711,073.22 is: 980,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,051.36 : 1,375,876.82 = 711,073.22 : x
  2. Step 2: Convert to fraction form
    998,051.36/1,375,876.82 = 711,073.22/x
  3. Step 3: Cross multiply
    998,051.36x = 1,375,876.82 × 711,073.22
  4. Step 4: Simplify right side
    998,051.36x = 978,349,150,286.01
  5. Step 5: Solve for x
    x = 978,349,150,286.01/998,051.36
  6. Step 6: Final answer
    x = 980,259.33

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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.