Home / 991,997.92-1,369,064.16-562,231.90

Finding the Fourth Proportional to 991,997.92, 1,369,064.16 and 562,231.90

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Solution

The fourth proportional to 991,997.92, 1,369,064.16 and 562,231.90 is: 775,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,997.92 : 1,369,064.16 = 562,231.90 : x
  2. Step 2: Convert to fraction form
    991,997.92/1,369,064.16 = 562,231.90/x
  3. Step 3: Cross multiply
    991,997.92x = 1,369,064.16 × 562,231.90
  4. Step 4: Simplify right side
    991,997.92x = 769,731,543,898.70
  5. Step 5: Solve for x
    x = 769,731,543,898.70/991,997.92
  6. Step 6: Final answer
    x = 775,940.68

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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.