Home / 888,479.72-1,225,996.62-501,272.57

Finding the Fourth Proportional to 888,479.72, 1,225,996.62 and 501,272.57

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Solution

The fourth proportional to 888,479.72, 1,225,996.62 and 501,272.57 is: 691,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,479.72 : 1,225,996.62 = 501,272.57 : x
  2. Step 2: Convert to fraction form
    888,479.72/1,225,996.62 = 501,272.57/x
  3. Step 3: Cross multiply
    888,479.72x = 1,225,996.62 × 501,272.57
  4. Step 4: Simplify right side
    888,479.72x = 614,558,470,388.73
  5. Step 5: Solve for x
    x = 614,558,470,388.73/888,479.72
  6. Step 6: Final answer
    x = 691,696.68

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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.