Home / 804,972.20-1,207,445.96-205,928.28

Finding the Fourth Proportional to 804,972.20, 1,207,445.96 and 205,928.28

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Solution

The fourth proportional to 804,972.20, 1,207,445.96 and 205,928.28 is: 308,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,972.20 : 1,207,445.96 = 205,928.28 : x
  2. Step 2: Convert to fraction form
    804,972.20/1,207,445.96 = 205,928.28/x
  3. Step 3: Cross multiply
    804,972.20x = 1,207,445.96 × 205,928.28
  4. Step 4: Simplify right side
    804,972.20x = 248,647,270,250.57
  5. Step 5: Solve for x
    x = 248,647,270,250.57/804,972.20
  6. Step 6: Final answer
    x = 308,889.27

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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.