Home / 816,874.20-1,225,311.30-606,922.20

Finding the Fourth Proportional to 816,874.20, 1,225,311.30 and 606,922.20

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Solution

The fourth proportional to 816,874.20, 1,225,311.30 and 606,922.20 is: 910,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,874.20 : 1,225,311.30 = 606,922.20 : x
  2. Step 2: Convert to fraction form
    816,874.20/1,225,311.30 = 606,922.20/x
  3. Step 3: Cross multiply
    816,874.20x = 1,225,311.30 × 606,922.20
  4. Step 4: Simplify right side
    816,874.20x = 743,668,629,880.86
  5. Step 5: Solve for x
    x = 743,668,629,880.86/816,874.20
  6. Step 6: Final answer
    x = 910,383.30

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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.