Home / 814,335.96-1,221,510.42-334,440.12

Finding the Fourth Proportional to 814,335.96, 1,221,510.42 and 334,440.12

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Solution

The fourth proportional to 814,335.96, 1,221,510.42 and 334,440.12 is: 501,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,335.96 : 1,221,510.42 = 334,440.12 : x
  2. Step 2: Convert to fraction form
    814,335.96/1,221,510.42 = 334,440.12/x
  3. Step 3: Cross multiply
    814,335.96x = 1,221,510.42 × 334,440.12
  4. Step 4: Simplify right side
    814,335.96x = 408,522,091,446.05
  5. Step 5: Solve for x
    x = 408,522,091,446.05/814,335.96
  6. Step 6: Final answer
    x = 501,662.84

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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.