Home / 998,215.88-1,497,301.95-278,538.41

Finding the Fourth Proportional to 998,215.88, 1,497,301.95 and 278,538.41

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Solution

The fourth proportional to 998,215.88, 1,497,301.95 and 278,538.41 is: 417,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,215.88 : 1,497,301.95 = 278,538.41 : x
  2. Step 2: Convert to fraction form
    998,215.88/1,497,301.95 = 278,538.41/x
  3. Step 3: Cross multiply
    998,215.88x = 1,497,301.95 × 278,538.41
  4. Step 4: Simplify right side
    998,215.88x = 417,056,104,442.90
  5. Step 5: Solve for x
    x = 417,056,104,442.90/998,215.88
  6. Step 6: Final answer
    x = 417,801.51

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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.