Home / 884,163.78-1,326,504.42-285,112.89

Finding the Fourth Proportional to 884,163.78, 1,326,504.42 and 285,112.89

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Solution

The fourth proportional to 884,163.78, 1,326,504.42 and 285,112.89 is: 427,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,163.78 : 1,326,504.42 = 285,112.89 : x
  2. Step 2: Convert to fraction form
    884,163.78/1,326,504.42 = 285,112.89/x
  3. Step 3: Cross multiply
    884,163.78x = 1,326,504.42 × 285,112.89
  4. Step 4: Simplify right side
    884,163.78x = 378,203,508,783.97
  5. Step 5: Solve for x
    x = 378,203,508,783.97/884,163.78
  6. Step 6: Final answer
    x = 427,752.77

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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.