Home / 729,628.60-1,094,442.90-197,231.80

Finding the Fourth Proportional to 729,628.60, 1,094,442.90 and 197,231.80

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Solution

The fourth proportional to 729,628.60, 1,094,442.90 and 197,231.80 is: 295,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,628.60 : 1,094,442.90 = 197,231.80 : x
  2. Step 2: Convert to fraction form
    729,628.60/1,094,442.90 = 197,231.80/x
  3. Step 3: Cross multiply
    729,628.60x = 1,094,442.90 × 197,231.80
  4. Step 4: Simplify right side
    729,628.60x = 215,858,943,164.22
  5. Step 5: Solve for x
    x = 215,858,943,164.22/729,628.60
  6. Step 6: Final answer
    x = 295,847.70

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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.