Home / 848,754.40-1,273,289.03-280,175.11

Finding the Fourth Proportional to 848,754.40, 1,273,289.03 and 280,175.11

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Solution

The fourth proportional to 848,754.40, 1,273,289.03 and 280,175.11 is: 420,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,754.40 : 1,273,289.03 = 280,175.11 : x
  2. Step 2: Convert to fraction form
    848,754.40/1,273,289.03 = 280,175.11/x
  3. Step 3: Cross multiply
    848,754.40x = 1,273,289.03 × 280,175.11
  4. Step 4: Simplify right side
    848,754.40x = 356,743,894,042.04
  5. Step 5: Solve for x
    x = 356,743,894,042.04/848,754.40
  6. Step 6: Final answer
    x = 420,314.63

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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.