Home / 998,007.42-1,496,989.46-278,329.91

Finding the Fourth Proportional to 998,007.42, 1,496,989.46 and 278,329.91

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Solution

The fourth proportional to 998,007.42, 1,496,989.46 and 278,329.91 is: 417,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,007.42 : 1,496,989.46 = 278,329.91 : x
  2. Step 2: Convert to fraction form
    998,007.42/1,496,989.46 = 278,329.91/x
  3. Step 3: Cross multiply
    998,007.42x = 1,496,989.46 × 278,329.91
  4. Step 4: Simplify right side
    998,007.42x = 416,656,946,111.05
  5. Step 5: Solve for x
    x = 416,656,946,111.05/998,007.42
  6. Step 6: Final answer
    x = 417,488.83

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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.