Home / 741,239.60-1,111,859.40-267,940.40

Finding the Fourth Proportional to 741,239.60, 1,111,859.40 and 267,940.40

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Solution

The fourth proportional to 741,239.60, 1,111,859.40 and 267,940.40 is: 401,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,239.60 : 1,111,859.40 = 267,940.40 : x
  2. Step 2: Convert to fraction form
    741,239.60/1,111,859.40 = 267,940.40/x
  3. Step 3: Cross multiply
    741,239.60x = 1,111,859.40 × 267,940.40
  4. Step 4: Simplify right side
    741,239.60x = 297,912,052,379.76
  5. Step 5: Solve for x
    x = 297,912,052,379.76/741,239.60
  6. Step 6: Final answer
    x = 401,910.60

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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.