Home / 751,753.26-1,127,685.21-219,288.45

Finding the Fourth Proportional to 751,753.26, 1,127,685.21 and 219,288.45

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Solution

The fourth proportional to 751,753.26, 1,127,685.21 and 219,288.45 is: 328,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,753.26 : 1,127,685.21 = 219,288.45 : x
  2. Step 2: Convert to fraction form
    751,753.26/1,127,685.21 = 219,288.45/x
  3. Step 3: Cross multiply
    751,753.26x = 1,127,685.21 × 219,288.45
  4. Step 4: Simplify right side
    751,753.26x = 247,288,341,788.83
  5. Step 5: Solve for x
    x = 247,288,341,788.83/751,753.26
  6. Step 6: Final answer
    x = 328,948.81

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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.