Home / 751,684.89-1,127,715.48-219,205.98

Finding the Fourth Proportional to 751,684.89, 1,127,715.48 and 219,205.98

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Solution

The fourth proportional to 751,684.89, 1,127,715.48 and 219,205.98 is: 328,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,684.89 : 1,127,715.48 = 219,205.98 : x
  2. Step 2: Convert to fraction form
    751,684.89/1,127,715.48 = 219,205.98/x
  3. Step 3: Cross multiply
    751,684.89x = 1,127,715.48 × 219,205.98
  4. Step 4: Simplify right side
    751,684.89x = 247,201,976,954.57
  5. Step 5: Solve for x
    x = 247,201,976,954.57/751,684.89
  6. Step 6: Final answer
    x = 328,863.84

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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.