Home / 722,273.60-1,083,410.40-367,979.60

Finding the Fourth Proportional to 722,273.60, 1,083,410.40 and 367,979.60

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Solution

The fourth proportional to 722,273.60, 1,083,410.40 and 367,979.60 is: 551,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,273.60 : 1,083,410.40 = 367,979.60 : x
  2. Step 2: Convert to fraction form
    722,273.60/1,083,410.40 = 367,979.60/x
  3. Step 3: Cross multiply
    722,273.60x = 1,083,410.40 × 367,979.60
  4. Step 4: Simplify right side
    722,273.60x = 398,672,925,627.84
  5. Step 5: Solve for x
    x = 398,672,925,627.84/722,273.60
  6. Step 6: Final answer
    x = 551,969.40

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Half scale
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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.