Home / 802,555.78-1,203,835.94-203,517.34

Finding the Fourth Proportional to 802,555.78, 1,203,835.94 and 203,517.34

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Solution

The fourth proportional to 802,555.78, 1,203,835.94 and 203,517.34 is: 305,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,555.78 : 1,203,835.94 = 203,517.34 : x
  2. Step 2: Convert to fraction form
    802,555.78/1,203,835.94 = 203,517.34/x
  3. Step 3: Cross multiply
    802,555.78x = 1,203,835.94 × 203,517.34
  4. Step 4: Simplify right side
    802,555.78x = 245,001,488,305.20
  5. Step 5: Solve for x
    x = 245,001,488,305.20/802,555.78
  6. Step 6: Final answer
    x = 305,276.59

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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.