Home / 804,578.20-1,206,867.30-243,640.60

Finding the Fourth Proportional to 804,578.20, 1,206,867.30 and 243,640.60

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Solution

The fourth proportional to 804,578.20, 1,206,867.30 and 243,640.60 is: 365,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,578.20 : 1,206,867.30 = 243,640.60 : x
  2. Step 2: Convert to fraction form
    804,578.20/1,206,867.30 = 243,640.60/x
  3. Step 3: Cross multiply
    804,578.20x = 1,206,867.30 × 243,640.60
  4. Step 4: Simplify right side
    804,578.20x = 294,041,873,092.38
  5. Step 5: Solve for x
    x = 294,041,873,092.38/804,578.20
  6. Step 6: Final answer
    x = 365,460.90

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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.