Home / 667,539.82-1,001,533.29-218,281.42

Finding the Fourth Proportional to 667,539.82, 1,001,533.29 and 218,281.42

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Solution

The fourth proportional to 667,539.82, 1,001,533.29 and 218,281.42 is: 327,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,539.82 : 1,001,533.29 = 218,281.42 : x
  2. Step 2: Convert to fraction form
    667,539.82/1,001,533.29 = 218,281.42/x
  3. Step 3: Cross multiply
    667,539.82x = 1,001,533.29 × 218,281.42
  4. Step 4: Simplify right side
    667,539.82x = 218,616,108,718.47
  5. Step 5: Solve for x
    x = 218,616,108,718.47/667,539.82
  6. Step 6: Final answer
    x = 327,495.23

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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.