Home / 751,822.44-1,127,782.94-219,298.88

Finding the Fourth Proportional to 751,822.44, 1,127,782.94 and 219,298.88

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Solution

The fourth proportional to 751,822.44, 1,127,782.94 and 219,298.88 is: 328,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,822.44 : 1,127,782.94 = 219,298.88 : x
  2. Step 2: Convert to fraction form
    751,822.44/1,127,782.94 = 219,298.88/x
  3. Step 3: Cross multiply
    751,822.44x = 1,127,782.94 × 219,298.88
  4. Step 4: Simplify right side
    751,822.44x = 247,321,528,889.70
  5. Step 5: Solve for x
    x = 247,321,528,889.70/751,822.44
  6. Step 6: Final answer
    x = 328,962.69

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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.