Home / 777,961.40-1,166,942.10-730,722.20

Finding the Fourth Proportional to 777,961.40, 1,166,942.10 and 730,722.20

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Solution

The fourth proportional to 777,961.40, 1,166,942.10 and 730,722.20 is: 1,096,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,961.40 : 1,166,942.10 = 730,722.20 : x
  2. Step 2: Convert to fraction form
    777,961.40/1,166,942.10 = 730,722.20/x
  3. Step 3: Cross multiply
    777,961.40x = 1,166,942.10 × 730,722.20
  4. Step 4: Simplify right side
    777,961.40x = 852,710,498,584.62
  5. Step 5: Solve for x
    x = 852,710,498,584.62/777,961.40
  6. Step 6: Final answer
    x = 1,096,083.30

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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.