Home / 888,388.20-1,225,975.91-501,285.78

Finding the Fourth Proportional to 888,388.20, 1,225,975.91 and 501,285.78

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Solution

The fourth proportional to 888,388.20, 1,225,975.91 and 501,285.78 is: 691,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,388.20 : 1,225,975.91 = 501,285.78 : x
  2. Step 2: Convert to fraction form
    888,388.20/1,225,975.91 = 501,285.78/x
  3. Step 3: Cross multiply
    888,388.20x = 1,225,975.91 × 501,285.78
  4. Step 4: Simplify right side
    888,388.20x = 614,564,287,799.13
  5. Step 5: Solve for x
    x = 614,564,287,799.13/888,388.20
  6. Step 6: Final answer
    x = 691,774.48

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