Home / 804,722.80-1,207,084.20-243,757.30

Finding the Fourth Proportional to 804,722.80, 1,207,084.20 and 243,757.30

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Solution

The fourth proportional to 804,722.80, 1,207,084.20 and 243,757.30 is: 365,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,722.80 : 1,207,084.20 = 243,757.30 : x
  2. Step 2: Convert to fraction form
    804,722.80/1,207,084.20 = 243,757.30/x
  3. Step 3: Cross multiply
    804,722.80x = 1,207,084.20 × 243,757.30
  4. Step 4: Simplify right side
    804,722.80x = 294,235,585,464.66
  5. Step 5: Solve for x
    x = 294,235,585,464.66/804,722.80
  6. Step 6: Final answer
    x = 365,635.95

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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.