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Finding the Fourth Proportional to 607,997.31, 911,504.03 and 253,277.79

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Solution

The fourth proportional to 607,997.31, 911,504.03 and 253,277.79 is: 379,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,997.31 : 911,504.03 = 253,277.79 : x
  2. Step 2: Convert to fraction form
    607,997.31/911,504.03 = 253,277.79/x
  3. Step 3: Cross multiply
    607,997.31x = 911,504.03 × 253,277.79
  4. Step 4: Simplify right side
    607,997.31x = 230,863,725,028.11
  5. Step 5: Solve for x
    x = 230,863,725,028.11/607,997.31
  6. Step 6: Final answer
    x = 379,711.75

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1.5x scale

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.