Home / 998,859.88-1,378,431.93-546,150.88

Finding the Fourth Proportional to 998,859.88, 1,378,431.93 and 546,150.88

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Solution

The fourth proportional to 998,859.88, 1,378,431.93 and 546,150.88 is: 753,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,859.88 : 1,378,431.93 = 546,150.88 : x
  2. Step 2: Convert to fraction form
    998,859.88/1,378,431.93 = 546,150.88/x
  3. Step 3: Cross multiply
    998,859.88x = 1,378,431.93 × 546,150.88
  4. Step 4: Simplify right side
    998,859.88x = 752,831,811,589.60
  5. Step 5: Solve for x
    x = 752,831,811,589.60/998,859.88
  6. Step 6: Final answer
    x = 753,691.11

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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.