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Finding the Fourth Proportional to 634,833.52, 952,028.84 and 279,653.78

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Solution

The fourth proportional to 634,833.52, 952,028.84 and 279,653.78 is: 419,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,833.52 : 952,028.84 = 279,653.78 : x
  2. Step 2: Convert to fraction form
    634,833.52/952,028.84 = 279,653.78/x
  3. Step 3: Cross multiply
    634,833.52x = 952,028.84 × 279,653.78
  4. Step 4: Simplify right side
    634,833.52x = 266,238,464,756.82
  5. Step 5: Solve for x
    x = 266,238,464,756.82/634,833.52
  6. Step 6: Final answer
    x = 419,383.13

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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.