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Finding the Fourth Proportional to 501,353.28, 691,955.96 and 297,516.60

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Solution

The fourth proportional to 501,353.28, 691,955.96 and 297,516.60 is: 410,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,353.28 : 691,955.96 = 297,516.60 : x
  2. Step 2: Convert to fraction form
    501,353.28/691,955.96 = 297,516.60/x
  3. Step 3: Cross multiply
    501,353.28x = 691,955.96 × 297,516.60
  4. Step 4: Simplify right side
    501,353.28x = 205,868,384,568.94
  5. Step 5: Solve for x
    x = 205,868,384,568.94/501,353.28
  6. Step 6: Final answer
    x = 410,625.39

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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.