Home / 396,663.40-593,980.38-218,973.16

Finding the Fourth Proportional to 396,663.40, 593,980.38 and 218,973.16

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Solution

The fourth proportional to 396,663.40, 593,980.38 and 218,973.16 is: 327,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,663.40 : 593,980.38 = 218,973.16 : x
  2. Step 2: Convert to fraction form
    396,663.40/593,980.38 = 218,973.16/x
  3. Step 3: Cross multiply
    396,663.40x = 593,980.38 × 218,973.16
  4. Step 4: Simplify right side
    396,663.40x = 130,065,760,786.60
  5. Step 5: Solve for x
    x = 130,065,760,786.60/396,663.40
  6. Step 6: Final answer
    x = 327,899.58

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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.