Home / 998,806.63-1,498,253.69-288,906.43

Finding the Fourth Proportional to 998,806.63, 1,498,253.69 and 288,906.43

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Solution

The fourth proportional to 998,806.63, 1,498,253.69 and 288,906.43 is: 433,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,806.63 : 1,498,253.69 = 288,906.43 : x
  2. Step 2: Convert to fraction form
    998,806.63/1,498,253.69 = 288,906.43/x
  3. Step 3: Cross multiply
    998,806.63x = 1,498,253.69 × 288,906.43
  4. Step 4: Simplify right side
    998,806.63x = 432,855,124,812.23
  5. Step 5: Solve for x
    x = 432,855,124,812.23/998,806.63
  6. Step 6: Final answer
    x = 433,372.30

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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.