Home / 591,202.68-815,859.69-319,270.59

Finding the Fourth Proportional to 591,202.68, 815,859.69 and 319,270.59

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Solution

The fourth proportional to 591,202.68, 815,859.69 and 319,270.59 is: 440,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,202.68 : 815,859.69 = 319,270.59 : x
  2. Step 2: Convert to fraction form
    591,202.68/815,859.69 = 319,270.59/x
  3. Step 3: Cross multiply
    591,202.68x = 815,859.69 × 319,270.59
  4. Step 4: Simplify right side
    591,202.68x = 260,480,004,583.52
  5. Step 5: Solve for x
    x = 260,480,004,583.52/591,202.68
  6. Step 6: Final answer
    x = 440,593.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.