Home / 807,722.60-1,211,583.90-275,844.20

Finding the Fourth Proportional to 807,722.60, 1,211,583.90 and 275,844.20

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Solution

The fourth proportional to 807,722.60, 1,211,583.90 and 275,844.20 is: 413,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,722.60 : 1,211,583.90 = 275,844.20 : x
  2. Step 2: Convert to fraction form
    807,722.60/1,211,583.90 = 275,844.20/x
  3. Step 3: Cross multiply
    807,722.60x = 1,211,583.90 × 275,844.20
  4. Step 4: Simplify right side
    807,722.60x = 334,208,391,628.38
  5. Step 5: Solve for x
    x = 334,208,391,628.38/807,722.60
  6. Step 6: Final answer
    x = 413,766.30

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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.