Home / 848,806.80-1,272,940.17-280,081.90

Finding the Fourth Proportional to 848,806.80, 1,272,940.17 and 280,081.90

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Solution

The fourth proportional to 848,806.80, 1,272,940.17 and 280,081.90 is: 420,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,806.80 : 1,272,940.17 = 280,081.90 : x
  2. Step 2: Convert to fraction form
    848,806.80/1,272,940.17 = 280,081.90/x
  3. Step 3: Cross multiply
    848,806.80x = 1,272,940.17 × 280,081.90
  4. Step 4: Simplify right side
    848,806.80x = 356,527,501,399.92
  5. Step 5: Solve for x
    x = 356,527,501,399.92/848,806.80
  6. Step 6: Final answer
    x = 420,033.75

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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.