Home / 769,709.79-1,154,612.07-296,395.61

Finding the Fourth Proportional to 769,709.79, 1,154,612.07 and 296,395.61

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Solution

The fourth proportional to 769,709.79, 1,154,612.07 and 296,395.61 is: 444,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,709.79 : 1,154,612.07 = 296,395.61 : x
  2. Step 2: Convert to fraction form
    769,709.79/1,154,612.07 = 296,395.61/x
  3. Step 3: Cross multiply
    769,709.79x = 1,154,612.07 × 296,395.61
  4. Step 4: Simplify right side
    769,709.79x = 342,221,943,027.95
  5. Step 5: Solve for x
    x = 342,221,943,027.95/769,709.79
  6. Step 6: Final answer
    x = 444,611.65

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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.