Home / 851,057.20-1,277,046.60-377,815.60

Finding the Fourth Proportional to 851,057.20, 1,277,046.60 and 377,815.60

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Solution

The fourth proportional to 851,057.20, 1,277,046.60 and 377,815.60 is: 566,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,057.20 : 1,277,046.60 = 377,815.60 : x
  2. Step 2: Convert to fraction form
    851,057.20/1,277,046.60 = 377,815.60/x
  3. Step 3: Cross multiply
    851,057.20x = 1,277,046.60 × 377,815.60
  4. Step 4: Simplify right side
    851,057.20x = 482,488,127,406.96
  5. Step 5: Solve for x
    x = 482,488,127,406.96/851,057.20
  6. Step 6: Final answer
    x = 566,927.97

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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.