Home / 543,415.22-749,915.72-339,584.58

Finding the Fourth Proportional to 543,415.22, 749,915.72 and 339,584.58

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Solution

The fourth proportional to 543,415.22, 749,915.72 and 339,584.58 is: 468,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,415.22 : 749,915.72 = 339,584.58 : x
  2. Step 2: Convert to fraction form
    543,415.22/749,915.72 = 339,584.58/x
  3. Step 3: Cross multiply
    543,415.22x = 749,915.72 × 339,584.58
  4. Step 4: Simplify right side
    543,415.22x = 254,659,813,113.68
  5. Step 5: Solve for x
    x = 254,659,813,113.68/543,415.22
  6. Step 6: Final answer
    x = 468,628.42

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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.