Home / 677,992.36-1,016,955.67-251,611.31

Finding the Fourth Proportional to 677,992.36, 1,016,955.67 and 251,611.31

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Solution

The fourth proportional to 677,992.36, 1,016,955.67 and 251,611.31 is: 377,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,992.36 : 1,016,955.67 = 251,611.31 : x
  2. Step 2: Convert to fraction form
    677,992.36/1,016,955.67 = 251,611.31/x
  3. Step 3: Cross multiply
    677,992.36x = 1,016,955.67 × 251,611.31
  4. Step 4: Simplify right side
    677,992.36x = 255,877,543,098.59
  5. Step 5: Solve for x
    x = 255,877,543,098.59/677,992.36
  6. Step 6: Final answer
    x = 377,404.76

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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.