Home / 809,092.40-1,213,930.20-779,932.40

Finding the Fourth Proportional to 809,092.40, 1,213,930.20 and 779,932.40

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Solution

The fourth proportional to 809,092.40, 1,213,930.20 and 779,932.40 is: 1,170,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,092.40 : 1,213,930.20 = 779,932.40 : x
  2. Step 2: Convert to fraction form
    809,092.40/1,213,930.20 = 779,932.40/x
  3. Step 3: Cross multiply
    809,092.40x = 1,213,930.20 × 779,932.40
  4. Step 4: Simplify right side
    809,092.40x = 946,783,494,318.48
  5. Step 5: Solve for x
    x = 946,783,494,318.48/809,092.40
  6. Step 6: Final answer
    x = 1,170,179.69

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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.