Home / 908,521.92-1,361,183.37-809,562.78

Finding the Fourth Proportional to 908,521.92, 1,361,183.37 and 809,562.78

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Solution

The fourth proportional to 908,521.92, 1,361,183.37 and 809,562.78 is: 1,212,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,521.92 : 1,361,183.37 = 809,562.78 : x
  2. Step 2: Convert to fraction form
    908,521.92/1,361,183.37 = 809,562.78/x
  3. Step 3: Cross multiply
    908,521.92x = 1,361,183.37 × 809,562.78
  4. Step 4: Simplify right side
    908,521.92x = 1,101,963,386,301.05
  5. Step 5: Solve for x
    x = 1,101,963,386,301.05/908,521.92
  6. Step 6: Final answer
    x = 1,212,918.88

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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.