Home / 814,369.20-1,220,963.16-547,467.60

Finding the Fourth Proportional to 814,369.20, 1,220,963.16 and 547,467.60

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Solution

The fourth proportional to 814,369.20, 1,220,963.16 and 547,467.60 is: 820,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,369.20 : 1,220,963.16 = 547,467.60 : x
  2. Step 2: Convert to fraction form
    814,369.20/1,220,963.16 = 547,467.60/x
  3. Step 3: Cross multiply
    814,369.20x = 1,220,963.16 × 547,467.60
  4. Step 4: Simplify right side
    814,369.20x = 668,437,770,893.62
  5. Step 5: Solve for x
    x = 668,437,770,893.62/814,369.20
  6. Step 6: Final answer
    x = 820,804.34

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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.