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Finding the Fourth Proportional to 501,343.53, 691,942.53 and 297,506.85

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Solution

The fourth proportional to 501,343.53, 691,942.53 and 297,506.85 is: 410,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,343.53 : 691,942.53 = 297,506.85 : x
  2. Step 2: Convert to fraction form
    501,343.53/691,942.53 = 297,506.85/x
  3. Step 3: Cross multiply
    501,343.53x = 691,942.53 × 297,506.85
  4. Step 4: Simplify right side
    501,343.53x = 205,857,642,481.33
  5. Step 5: Solve for x
    x = 205,857,642,481.33/501,343.53
  6. Step 6: Final answer
    x = 410,611.95

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1.5x scale

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.