Home / 491,520.37-737,458.07-171,719.46

Finding the Fourth Proportional to 491,520.37, 737,458.07 and 171,719.46

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Solution

The fourth proportional to 491,520.37, 737,458.07 and 171,719.46 is: 257,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,520.37 : 737,458.07 = 171,719.46 : x
  2. Step 2: Convert to fraction form
    491,520.37/737,458.07 = 171,719.46/x
  3. Step 3: Cross multiply
    491,520.37x = 737,458.07 × 171,719.46
  4. Step 4: Simplify right side
    491,520.37x = 126,635,901,553.04
  5. Step 5: Solve for x
    x = 126,635,901,553.04/491,520.37
  6. Step 6: Final answer
    x = 257,641.21

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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.