Home / 674,890.47-1,012,336.41-270,265.43

Finding the Fourth Proportional to 674,890.47, 1,012,336.41 and 270,265.43

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Solution

The fourth proportional to 674,890.47, 1,012,336.41 and 270,265.43 is: 405,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,890.47 : 1,012,336.41 = 270,265.43 : x
  2. Step 2: Convert to fraction form
    674,890.47/1,012,336.41 = 270,265.43/x
  3. Step 3: Cross multiply
    674,890.47x = 1,012,336.41 × 270,265.43
  4. Step 4: Simplify right side
    674,890.47x = 273,599,530,091.62
  5. Step 5: Solve for x
    x = 273,599,530,091.62/674,890.47
  6. Step 6: Final answer
    x = 405,398.42

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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.