Home / 677,141.94-1,016,045.39-272,317.80

Finding the Fourth Proportional to 677,141.94, 1,016,045.39 and 272,317.80

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Solution

The fourth proportional to 677,141.94, 1,016,045.39 and 272,317.80 is: 408,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,141.94 : 1,016,045.39 = 272,317.80 : x
  2. Step 2: Convert to fraction form
    677,141.94/1,016,045.39 = 272,317.80/x
  3. Step 3: Cross multiply
    677,141.94x = 1,016,045.39 × 272,317.80
  4. Step 4: Simplify right side
    677,141.94x = 276,687,243,943.35
  5. Step 5: Solve for x
    x = 276,687,243,943.35/677,141.94
  6. Step 6: Final answer
    x = 408,610.41

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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.