Home / 848,707.14-1,273,100.49-280,137.81

Finding the Fourth Proportional to 848,707.14, 1,273,100.49 and 280,137.81

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Solution

The fourth proportional to 848,707.14, 1,273,100.49 and 280,137.81 is: 420,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,707.14 : 1,273,100.49 = 280,137.81 : x
  2. Step 2: Convert to fraction form
    848,707.14/1,273,100.49 = 280,137.81/x
  3. Step 3: Cross multiply
    848,707.14x = 1,273,100.49 × 280,137.81
  4. Step 4: Simplify right side
    848,707.14x = 356,643,583,178.53
  5. Step 5: Solve for x
    x = 356,643,583,178.53/848,707.14
  6. Step 6: Final answer
    x = 420,219.85

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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.