Home / 854,456.94-1,178,078.82-547,992.63

Finding the Fourth Proportional to 854,456.94, 1,178,078.82 and 547,992.63

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Solution

The fourth proportional to 854,456.94, 1,178,078.82 and 547,992.63 is: 755,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,456.94 : 1,178,078.82 = 547,992.63 : x
  2. Step 2: Convert to fraction form
    854,456.94/1,178,078.82 = 547,992.63/x
  3. Step 3: Cross multiply
    854,456.94x = 1,178,078.82 × 547,992.63
  4. Step 4: Simplify right side
    854,456.94x = 645,578,510,919.10
  5. Step 5: Solve for x
    x = 645,578,510,919.10/854,456.94
  6. Step 6: Final answer
    x = 755,542.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.