Home / 998,709.84-1,498,206.92-324,574.38

Finding the Fourth Proportional to 998,709.84, 1,498,206.92 and 324,574.38

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Solution

The fourth proportional to 998,709.84, 1,498,206.92 and 324,574.38 is: 486,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,709.84 : 1,498,206.92 = 324,574.38 : x
  2. Step 2: Convert to fraction form
    998,709.84/1,498,206.92 = 324,574.38/x
  3. Step 3: Cross multiply
    998,709.84x = 1,498,206.92 × 324,574.38
  4. Step 4: Simplify right side
    998,709.84x = 486,279,580,547.84
  5. Step 5: Solve for x
    x = 486,279,580,547.84/998,709.84
  6. Step 6: Final answer
    x = 486,907.77

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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.