Home / 998,801.91-1,498,246.61-288,901.71

Finding the Fourth Proportional to 998,801.91, 1,498,246.61 and 288,901.71

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Solution

The fourth proportional to 998,801.91, 1,498,246.61 and 288,901.71 is: 433,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,801.91 : 1,498,246.61 = 288,901.71 : x
  2. Step 2: Convert to fraction form
    998,801.91/1,498,246.61 = 288,901.71/x
  3. Step 3: Cross multiply
    998,801.91x = 1,498,246.61 × 288,901.71
  4. Step 4: Simplify right side
    998,801.91x = 432,846,006,186.20
  5. Step 5: Solve for x
    x = 432,846,006,186.20/998,801.91
  6. Step 6: Final answer
    x = 433,365.22

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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.