Home / 677,992.26-1,016,955.53-251,611.21

Finding the Fourth Proportional to 677,992.26, 1,016,955.53 and 251,611.21

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Solution

The fourth proportional to 677,992.26, 1,016,955.53 and 251,611.21 is: 377,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,992.26 : 1,016,955.53 = 251,611.21 : x
  2. Step 2: Convert to fraction form
    677,992.26/1,016,955.53 = 251,611.21/x
  3. Step 3: Cross multiply
    677,992.26x = 1,016,955.53 × 251,611.21
  4. Step 4: Simplify right side
    677,992.26x = 255,877,412,376.17
  5. Step 5: Solve for x
    x = 255,877,412,376.17/677,992.26
  6. Step 6: Final answer
    x = 377,404.62

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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.