Home / 746,861.69-1,120,293.23-320,120.60

Finding the Fourth Proportional to 746,861.69, 1,120,293.23 and 320,120.60

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Solution

The fourth proportional to 746,861.69, 1,120,293.23 and 320,120.60 is: 480,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,861.69 : 1,120,293.23 = 320,120.60 : x
  2. Step 2: Convert to fraction form
    746,861.69/1,120,293.23 = 320,120.60/x
  3. Step 3: Cross multiply
    746,861.69x = 1,120,293.23 × 320,120.60
  4. Step 4: Simplify right side
    746,861.69x = 358,628,933,761.47
  5. Step 5: Solve for x
    x = 358,628,933,761.47/746,861.69
  6. Step 6: Final answer
    x = 480,181.19

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Double scale
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Similar ratio
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1.5x scale

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.