Home / 851,276.20-1,276,914.30-377,458.60

Finding the Fourth Proportional to 851,276.20, 1,276,914.30 and 377,458.60

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Solution

The fourth proportional to 851,276.20, 1,276,914.30 and 377,458.60 is: 566,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,276.20 : 1,276,914.30 = 377,458.60 : x
  2. Step 2: Convert to fraction form
    851,276.20/1,276,914.30 = 377,458.60/x
  3. Step 3: Cross multiply
    851,276.20x = 1,276,914.30 × 377,458.60
  4. Step 4: Simplify right side
    851,276.20x = 481,982,283,997.98
  5. Step 5: Solve for x
    x = 481,982,283,997.98/851,276.20
  6. Step 6: Final answer
    x = 566,187.90

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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.