Home / 751,819.20-1,127,777.94-219,295.50

Finding the Fourth Proportional to 751,819.20, 1,127,777.94 and 219,295.50

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Solution

The fourth proportional to 751,819.20, 1,127,777.94 and 219,295.50 is: 328,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,819.20 : 1,127,777.94 = 219,295.50 : x
  2. Step 2: Convert to fraction form
    751,819.20/1,127,777.94 = 219,295.50/x
  3. Step 3: Cross multiply
    751,819.20x = 1,127,777.94 × 219,295.50
  4. Step 4: Simplify right side
    751,819.20x = 247,316,627,241.27
  5. Step 5: Solve for x
    x = 247,316,627,241.27/751,819.20
  6. Step 6: Final answer
    x = 328,957.58

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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.