Home / 738,286.20-1,107,429.30-733,620.60

Finding the Fourth Proportional to 738,286.20, 1,107,429.30 and 733,620.60

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Solution

The fourth proportional to 738,286.20, 1,107,429.30 and 733,620.60 is: 1,100,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,286.20 : 1,107,429.30 = 733,620.60 : x
  2. Step 2: Convert to fraction form
    738,286.20/1,107,429.30 = 733,620.60/x
  3. Step 3: Cross multiply
    738,286.20x = 1,107,429.30 × 733,620.60
  4. Step 4: Simplify right side
    738,286.20x = 812,432,947,523.58
  5. Step 5: Solve for x
    x = 812,432,947,523.58/738,286.20
  6. Step 6: Final answer
    x = 1,100,430.90

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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.