Home / 751,320.72-1,126,951.92-301,906.80

Finding the Fourth Proportional to 751,320.72, 1,126,951.92 and 301,906.80

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Solution

The fourth proportional to 751,320.72, 1,126,951.92 and 301,906.80 is: 452,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,320.72 : 1,126,951.92 = 301,906.80 : x
  2. Step 2: Convert to fraction form
    751,320.72/1,126,951.92 = 301,906.80/x
  3. Step 3: Cross multiply
    751,320.72x = 1,126,951.92 × 301,906.80
  4. Step 4: Simplify right side
    751,320.72x = 340,234,447,921.06
  5. Step 5: Solve for x
    x = 340,234,447,921.06/751,320.72
  6. Step 6: Final answer
    x = 452,848.48

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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.