Home / 591,293.62-815,984.94-319,361.41

Finding the Fourth Proportional to 591,293.62, 815,984.94 and 319,361.41

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Solution

The fourth proportional to 591,293.62, 815,984.94 and 319,361.41 is: 440,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,293.62 : 815,984.94 = 319,361.41 : x
  2. Step 2: Convert to fraction form
    591,293.62/815,984.94 = 319,361.41/x
  3. Step 3: Cross multiply
    591,293.62x = 815,984.94 × 319,361.41
  4. Step 4: Simplify right side
    591,293.62x = 260,594,100,977.17
  5. Step 5: Solve for x
    x = 260,594,100,977.17/591,293.62
  6. Step 6: Final answer
    x = 440,718.61

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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.