Home / 861,770.41-1,292,795.75-254,620.33

Finding the Fourth Proportional to 861,770.41, 1,292,795.75 and 254,620.33

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Solution

The fourth proportional to 861,770.41, 1,292,795.75 and 254,620.33 is: 381,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,770.41 : 1,292,795.75 = 254,620.33 : x
  2. Step 2: Convert to fraction form
    861,770.41/1,292,795.75 = 254,620.33/x
  3. Step 3: Cross multiply
    861,770.41x = 1,292,795.75 × 254,620.33
  4. Step 4: Simplify right side
    861,770.41x = 329,172,080,487.60
  5. Step 5: Solve for x
    x = 329,172,080,487.60/861,770.41
  6. Step 6: Final answer
    x = 381,971.90

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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.