Home / 821,809.89-1,232,714.81-222,771.04

Finding the Fourth Proportional to 821,809.89, 1,232,714.81 and 222,771.04

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Solution

The fourth proportional to 821,809.89, 1,232,714.81 and 222,771.04 is: 334,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,809.89 : 1,232,714.81 = 222,771.04 : x
  2. Step 2: Convert to fraction form
    821,809.89/1,232,714.81 = 222,771.04/x
  3. Step 3: Cross multiply
    821,809.89x = 1,232,714.81 × 222,771.04
  4. Step 4: Simplify right side
    821,809.89x = 274,613,152,969.67
  5. Step 5: Solve for x
    x = 274,613,152,969.67/821,809.89
  6. Step 6: Final answer
    x = 334,156.55

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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.