Home / 788,819.44-1,183,229.18-720,390.64

Finding the Fourth Proportional to 788,819.44, 1,183,229.18 and 720,390.64

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Solution

The fourth proportional to 788,819.44, 1,183,229.18 and 720,390.64 is: 1,080,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,819.44 : 1,183,229.18 = 720,390.64 : x
  2. Step 2: Convert to fraction form
    788,819.44/1,183,229.18 = 720,390.64/x
  3. Step 3: Cross multiply
    788,819.44x = 1,183,229.18 × 720,390.64
  4. Step 4: Simplify right side
    788,819.44x = 852,387,226,246.88
  5. Step 5: Solve for x
    x = 852,387,226,246.88/788,819.44
  6. Step 6: Final answer
    x = 1,080,585.98

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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.