Home / 798,147.60-1,197,221.40-758,781.60

Finding the Fourth Proportional to 798,147.60, 1,197,221.40 and 758,781.60

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Solution

The fourth proportional to 798,147.60, 1,197,221.40 and 758,781.60 is: 1,138,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,147.60 : 1,197,221.40 = 758,781.60 : x
  2. Step 2: Convert to fraction form
    798,147.60/1,197,221.40 = 758,781.60/x
  3. Step 3: Cross multiply
    798,147.60x = 1,197,221.40 × 758,781.60
  4. Step 4: Simplify right side
    798,147.60x = 908,429,569,446.24
  5. Step 5: Solve for x
    x = 908,429,569,446.24/798,147.60
  6. Step 6: Final answer
    x = 1,138,172.40

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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.