Home / 987,453.87-1,481,236.10-277,426.50

Finding the Fourth Proportional to 987,453.87, 1,481,236.10 and 277,426.50

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Solution

The fourth proportional to 987,453.87, 1,481,236.10 and 277,426.50 is: 416,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,453.87 : 1,481,236.10 = 277,426.50 : x
  2. Step 2: Convert to fraction form
    987,453.87/1,481,236.10 = 277,426.50/x
  3. Step 3: Cross multiply
    987,453.87x = 1,481,236.10 × 277,426.50
  4. Step 4: Simplify right side
    987,453.87x = 410,934,145,509.52
  5. Step 5: Solve for x
    x = 410,934,145,509.52/987,453.87
  6. Step 6: Final answer
    x = 416,155.28

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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.