Home / 501,190.28-691,599.80-283,388.27

Finding the Fourth Proportional to 501,190.28, 691,599.80 and 283,388.27

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Solution

The fourth proportional to 501,190.28, 691,599.80 and 283,388.27 is: 391,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,190.28 : 691,599.80 = 283,388.27 : x
  2. Step 2: Convert to fraction form
    501,190.28/691,599.80 = 283,388.27/x
  3. Step 3: Cross multiply
    501,190.28x = 691,599.80 × 283,388.27
  4. Step 4: Simplify right side
    501,190.28x = 195,991,265,979.41
  5. Step 5: Solve for x
    x = 195,991,265,979.41/501,190.28
  6. Step 6: Final answer
    x = 391,051.61

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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.