Home / 821,810.39-1,232,715.56-222,771.54

Finding the Fourth Proportional to 821,810.39, 1,232,715.56 and 222,771.54

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Solution

The fourth proportional to 821,810.39, 1,232,715.56 and 222,771.54 is: 334,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,810.39 : 1,232,715.56 = 222,771.54 : x
  2. Step 2: Convert to fraction form
    821,810.39/1,232,715.56 = 222,771.54/x
  3. Step 3: Cross multiply
    821,810.39x = 1,232,715.56 × 222,771.54
  4. Step 4: Simplify right side
    821,810.39x = 274,613,936,405.73
  5. Step 5: Solve for x
    x = 274,613,936,405.73/821,810.39
  6. Step 6: Final answer
    x = 334,157.30

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Double scale
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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.