Home / 998,077.98-1,377,375.93-556,562.64

Finding the Fourth Proportional to 998,077.98, 1,377,375.93 and 556,562.64

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Solution

The fourth proportional to 998,077.98, 1,377,375.93 and 556,562.64 is: 768,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,077.98 : 1,377,375.93 = 556,562.64 : x
  2. Step 2: Convert to fraction form
    998,077.98/1,377,375.93 = 556,562.64/x
  3. Step 3: Cross multiply
    998,077.98x = 1,377,375.93 × 556,562.64
  4. Step 4: Simplify right side
    998,077.98x = 766,595,983,873.26
  5. Step 5: Solve for x
    x = 766,595,983,873.26/998,077.98
  6. Step 6: Final answer
    x = 768,072.23

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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.