Home / 691,900.50-954,327.33-449,731.38

Finding the Fourth Proportional to 691,900.50, 954,327.33 and 449,731.38

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Solution

The fourth proportional to 691,900.50, 954,327.33 and 449,731.38 is: 620,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,900.50 : 954,327.33 = 449,731.38 : x
  2. Step 2: Convert to fraction form
    691,900.50/954,327.33 = 449,731.38/x
  3. Step 3: Cross multiply
    691,900.50x = 954,327.33 × 449,731.38
  4. Step 4: Simplify right side
    691,900.50x = 429,190,947,092.62
  5. Step 5: Solve for x
    x = 429,190,947,092.62/691,900.50
  6. Step 6: Final answer
    x = 620,307.32

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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.