Home / 654,824-982,388.40-205,520.24

Finding the Fourth Proportional to 654,824, 982,388.40 and 205,520.24

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Solution

The fourth proportional to 654,824, 982,388.40 and 205,520.24 is: 308,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,824 : 982,388.40 = 205,520.24 : x
  2. Step 2: Convert to fraction form
    654,824/982,388.40 = 205,520.24/x
  3. Step 3: Cross multiply
    654,824x = 982,388.40 × 205,520.24
  4. Step 4: Simplify right side
    654,824x = 201,900,699,741.22
  5. Step 5: Solve for x
    x = 201,900,699,741.22/654,824
  6. Step 6: Final answer
    x = 308,328.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.