Home / 998,215.38-1,497,301.20-278,537.91

Finding the Fourth Proportional to 998,215.38, 1,497,301.20 and 278,537.91

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Solution

The fourth proportional to 998,215.38, 1,497,301.20 and 278,537.91 is: 417,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,215.38 : 1,497,301.20 = 278,537.91 : x
  2. Step 2: Convert to fraction form
    998,215.38/1,497,301.20 = 278,537.91/x
  3. Step 3: Cross multiply
    998,215.38x = 1,497,301.20 × 278,537.91
  4. Step 4: Simplify right side
    998,215.38x = 417,055,146,888.49
  5. Step 5: Solve for x
    x = 417,055,146,888.49/998,215.38
  6. Step 6: Final answer
    x = 417,800.76

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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.