Home / 820,055.52-1,230,542.56-347,094.88

Finding the Fourth Proportional to 820,055.52, 1,230,542.56 and 347,094.88

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Solution

The fourth proportional to 820,055.52, 1,230,542.56 and 347,094.88 is: 520,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,055.52 : 1,230,542.56 = 347,094.88 : x
  2. Step 2: Convert to fraction form
    820,055.52/1,230,542.56 = 347,094.88/x
  3. Step 3: Cross multiply
    820,055.52x = 1,230,542.56 × 347,094.88
  4. Step 4: Simplify right side
    820,055.52x = 427,115,022,198.09
  5. Step 5: Solve for x
    x = 427,115,022,198.09/820,055.52
  6. Step 6: Final answer
    x = 520,836.71

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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.