Home / 863,003.67-1,292,930.87-481,940.79

Finding the Fourth Proportional to 863,003.67, 1,292,930.87 and 481,940.79

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Solution

The fourth proportional to 863,003.67, 1,292,930.87 and 481,940.79 is: 722,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,003.67 : 1,292,930.87 = 481,940.79 : x
  2. Step 2: Convert to fraction form
    863,003.67/1,292,930.87 = 481,940.79/x
  3. Step 3: Cross multiply
    863,003.67x = 1,292,930.87 × 481,940.79
  4. Step 4: Simplify right side
    863,003.67x = 623,116,122,493.48
  5. Step 5: Solve for x
    x = 623,116,122,493.48/863,003.67
  6. Step 6: Final answer
    x = 722,031.83

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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.