Home / 671,997.61-1,008,143.94-493,964.89

Finding the Fourth Proportional to 671,997.61, 1,008,143.94 and 493,964.89

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Solution

The fourth proportional to 671,997.61, 1,008,143.94 and 493,964.89 is: 741,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,997.61 : 1,008,143.94 = 493,964.89 : x
  2. Step 2: Convert to fraction form
    671,997.61/1,008,143.94 = 493,964.89/x
  3. Step 3: Cross multiply
    671,997.61x = 1,008,143.94 × 493,964.89
  4. Step 4: Simplify right side
    671,997.61x = 497,987,710,426.27
  5. Step 5: Solve for x
    x = 497,987,710,426.27/671,997.61
  6. Step 6: Final answer
    x = 741,055.78

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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.