Home / 804,517.20-1,206,775.80-243,579.60

Finding the Fourth Proportional to 804,517.20, 1,206,775.80 and 243,579.60

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Solution

The fourth proportional to 804,517.20, 1,206,775.80 and 243,579.60 is: 365,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,517.20 : 1,206,775.80 = 243,579.60 : x
  2. Step 2: Convert to fraction form
    804,517.20/1,206,775.80 = 243,579.60/x
  3. Step 3: Cross multiply
    804,517.20x = 1,206,775.80 × 243,579.60
  4. Step 4: Simplify right side
    804,517.20x = 293,945,966,653.68
  5. Step 5: Solve for x
    x = 293,945,966,653.68/804,517.20
  6. Step 6: Final answer
    x = 365,369.40

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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.