Home / 721,204.60-1,081,806.90-222,503.80

Finding the Fourth Proportional to 721,204.60, 1,081,806.90 and 222,503.80

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Solution

The fourth proportional to 721,204.60, 1,081,806.90 and 222,503.80 is: 333,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,204.60 : 1,081,806.90 = 222,503.80 : x
  2. Step 2: Convert to fraction form
    721,204.60/1,081,806.90 = 222,503.80/x
  3. Step 3: Cross multiply
    721,204.60x = 1,081,806.90 × 222,503.80
  4. Step 4: Simplify right side
    721,204.60x = 240,706,146,116.22
  5. Step 5: Solve for x
    x = 240,706,146,116.22/721,204.60
  6. Step 6: Final answer
    x = 333,755.70

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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.