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Finding the Fourth Proportional to 467,759.88, 645,608.78 and 295,568.53

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Solution

The fourth proportional to 467,759.88, 645,608.78 and 295,568.53 is: 407,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,759.88 : 645,608.78 = 295,568.53 : x
  2. Step 2: Convert to fraction form
    467,759.88/645,608.78 = 295,568.53/x
  3. Step 3: Cross multiply
    467,759.88x = 645,608.78 × 295,568.53
  4. Step 4: Simplify right side
    467,759.88x = 190,821,636,076.21
  5. Step 5: Solve for x
    x = 190,821,636,076.21/467,759.88
  6. Step 6: Final answer
    x = 407,947.85

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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.