Home / 681,844.20-1,022,766.30-302,764.20

Finding the Fourth Proportional to 681,844.20, 1,022,766.30 and 302,764.20

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Solution

The fourth proportional to 681,844.20, 1,022,766.30 and 302,764.20 is: 454,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,844.20 : 1,022,766.30 = 302,764.20 : x
  2. Step 2: Convert to fraction form
    681,844.20/1,022,766.30 = 302,764.20/x
  3. Step 3: Cross multiply
    681,844.20x = 1,022,766.30 × 302,764.20
  4. Step 4: Simplify right side
    681,844.20x = 309,657,020,606.46
  5. Step 5: Solve for x
    x = 309,657,020,606.46/681,844.20
  6. Step 6: Final answer
    x = 454,146.30

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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.