Home / 909,098.92-1,254,499.62-501,179.56

Finding the Fourth Proportional to 909,098.92, 1,254,499.62 and 501,179.56

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Solution

The fourth proportional to 909,098.92, 1,254,499.62 and 501,179.56 is: 691,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,098.92 : 1,254,499.62 = 501,179.56 : x
  2. Step 2: Convert to fraction form
    909,098.92/1,254,499.62 = 501,179.56/x
  3. Step 3: Cross multiply
    909,098.92x = 1,254,499.62 × 501,179.56
  4. Step 4: Simplify right side
    909,098.92x = 628,729,567,571.77
  5. Step 5: Solve for x
    x = 628,729,567,571.77/909,098.92
  6. Step 6: Final answer
    x = 691,596.43

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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.