Home / 821,491.05-1,232,143.14-222,498.90

Finding the Fourth Proportional to 821,491.05, 1,232,143.14 and 222,498.90

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Solution

The fourth proportional to 821,491.05, 1,232,143.14 and 222,498.90 is: 333,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,491.05 : 1,232,143.14 = 222,498.90 : x
  2. Step 2: Convert to fraction form
    821,491.05/1,232,143.14 = 222,498.90/x
  3. Step 3: Cross multiply
    821,491.05x = 1,232,143.14 × 222,498.90
  4. Step 4: Simplify right side
    821,491.05x = 274,150,493,292.55
  5. Step 5: Solve for x
    x = 274,150,493,292.55/821,491.05
  6. Step 6: Final answer
    x = 333,723.04

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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.