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Finding the Fourth Proportional to 491,881.73, 737,822.72 and 379,725.66

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Solution

The fourth proportional to 491,881.73, 737,822.72 and 379,725.66 is: 569,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,881.73 : 737,822.72 = 379,725.66 : x
  2. Step 2: Convert to fraction form
    491,881.73/737,822.72 = 379,725.66/x
  3. Step 3: Cross multiply
    491,881.73x = 737,822.72 × 379,725.66
  4. Step 4: Simplify right side
    491,881.73x = 280,170,220,264.31
  5. Step 5: Solve for x
    x = 280,170,220,264.31/491,881.73
  6. Step 6: Final answer
    x = 569,588.59

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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.