Home / 780,122.55-1,170,183.83-448,346.55

Finding the Fourth Proportional to 780,122.55, 1,170,183.83 and 448,346.55

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Solution

The fourth proportional to 780,122.55, 1,170,183.83 and 448,346.55 is: 672,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,122.55 : 1,170,183.83 = 448,346.55 : x
  2. Step 2: Convert to fraction form
    780,122.55/1,170,183.83 = 448,346.55/x
  3. Step 3: Cross multiply
    780,122.55x = 1,170,183.83 × 448,346.55
  4. Step 4: Simplify right side
    780,122.55x = 524,647,880,804.55
  5. Step 5: Solve for x
    x = 524,647,880,804.55/780,122.55
  6. Step 6: Final answer
    x = 672,519.83

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Similar ratio
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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.