Home / 769,286.43-1,154,060.87-342,976.95

Finding the Fourth Proportional to 769,286.43, 1,154,060.87 and 342,976.95

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Solution

The fourth proportional to 769,286.43, 1,154,060.87 and 342,976.95 is: 514,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,286.43 : 1,154,060.87 = 342,976.95 : x
  2. Step 2: Convert to fraction form
    769,286.43/1,154,060.87 = 342,976.95/x
  3. Step 3: Cross multiply
    769,286.43x = 1,154,060.87 × 342,976.95
  4. Step 4: Simplify right side
    769,286.43x = 395,816,275,592.06
  5. Step 5: Solve for x
    x = 395,816,275,592.06/769,286.43
  6. Step 6: Final answer
    x = 514,523.93

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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.