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Finding the Fourth Proportional to 679,576.41, 937,817.85 and 373,672.02

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Solution

The fourth proportional to 679,576.41, 937,817.85 and 373,672.02 is: 515,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,576.41 : 937,817.85 = 373,672.02 : x
  2. Step 2: Convert to fraction form
    679,576.41/937,817.85 = 373,672.02/x
  3. Step 3: Cross multiply
    679,576.41x = 937,817.85 × 373,672.02
  4. Step 4: Simplify right side
    679,576.41x = 350,436,290,401.56
  5. Step 5: Solve for x
    x = 350,436,290,401.56/679,576.41
  6. Step 6: Final answer
    x = 515,668.71

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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.