Home / 998,213.88-1,497,298.95-278,536.41

Finding the Fourth Proportional to 998,213.88, 1,497,298.95 and 278,536.41

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Solution

The fourth proportional to 998,213.88, 1,497,298.95 and 278,536.41 is: 417,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,213.88 : 1,497,298.95 = 278,536.41 : x
  2. Step 2: Convert to fraction form
    998,213.88/1,497,298.95 = 278,536.41/x
  3. Step 3: Cross multiply
    998,213.88x = 1,497,298.95 × 278,536.41
  4. Step 4: Simplify right side
    998,213.88x = 417,052,274,229.77
  5. Step 5: Solve for x
    x = 417,052,274,229.77/998,213.88
  6. Step 6: Final answer
    x = 417,798.51

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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.