Home / 871,634.52-1,307,519.82-339,114.60

Finding the Fourth Proportional to 871,634.52, 1,307,519.82 and 339,114.60

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Solution

The fourth proportional to 871,634.52, 1,307,519.82 and 339,114.60 is: 508,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,634.52 : 1,307,519.82 = 339,114.60 : x
  2. Step 2: Convert to fraction form
    871,634.52/1,307,519.82 = 339,114.60/x
  3. Step 3: Cross multiply
    871,634.52x = 1,307,519.82 × 339,114.60
  4. Step 4: Simplify right side
    871,634.52x = 443,399,060,751.37
  5. Step 5: Solve for x
    x = 443,399,060,751.37/871,634.52
  6. Step 6: Final answer
    x = 508,698.37

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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.