Home / 998,917.50-1,498,377.69-407,941.50

Finding the Fourth Proportional to 998,917.50, 1,498,377.69 and 407,941.50

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Solution

The fourth proportional to 998,917.50, 1,498,377.69 and 407,941.50 is: 611,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,917.50 : 1,498,377.69 = 407,941.50 : x
  2. Step 2: Convert to fraction form
    998,917.50/1,498,377.69 = 407,941.50/x
  3. Step 3: Cross multiply
    998,917.50x = 1,498,377.69 × 407,941.50
  4. Step 4: Simplify right side
    998,917.50x = 611,250,442,425.14
  5. Step 5: Solve for x
    x = 611,250,442,425.14/998,917.50
  6. Step 6: Final answer
    x = 611,912.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.