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Finding the Fourth Proportional to 634,557.75, 952,085.85 and 279,322.73

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Solution

The fourth proportional to 634,557.75, 952,085.85 and 279,322.73 is: 419,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,557.75 : 952,085.85 = 279,322.73 : x
  2. Step 2: Convert to fraction form
    634,557.75/952,085.85 = 279,322.73/x
  3. Step 3: Cross multiply
    634,557.75x = 952,085.85 × 279,322.73
  4. Step 4: Simplify right side
    634,557.75x = 265,939,216,578.80
  5. Step 5: Solve for x
    x = 265,939,216,578.80/634,557.75
  6. Step 6: Final answer
    x = 419,093.80

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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.