Home / 721,894.60-1,082,841.90-367,600.60

Finding the Fourth Proportional to 721,894.60, 1,082,841.90 and 367,600.60

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Solution

The fourth proportional to 721,894.60, 1,082,841.90 and 367,600.60 is: 551,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,894.60 : 1,082,841.90 = 367,600.60 : x
  2. Step 2: Convert to fraction form
    721,894.60/1,082,841.90 = 367,600.60/x
  3. Step 3: Cross multiply
    721,894.60x = 1,082,841.90 × 367,600.60
  4. Step 4: Simplify right side
    721,894.60x = 398,053,332,145.14
  5. Step 5: Solve for x
    x = 398,053,332,145.14/721,894.60
  6. Step 6: Final answer
    x = 551,400.90

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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.