Home / 689,251.49-1,033,164.91-262,672.79

Finding the Fourth Proportional to 689,251.49, 1,033,164.91 and 262,672.79

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Solution

The fourth proportional to 689,251.49, 1,033,164.91 and 262,672.79 is: 393,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,251.49 : 1,033,164.91 = 262,672.79 : x
  2. Step 2: Convert to fraction form
    689,251.49/1,033,164.91 = 262,672.79/x
  3. Step 3: Cross multiply
    689,251.49x = 1,033,164.91 × 262,672.79
  4. Step 4: Simplify right side
    689,251.49x = 271,384,310,413.87
  5. Step 5: Solve for x
    x = 271,384,310,413.87/689,251.49
  6. Step 6: Final answer
    x = 393,737.72

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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.