Home / 667,601.32-1,001,559.58-218,320.42

Finding the Fourth Proportional to 667,601.32, 1,001,559.58 and 218,320.42

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Solution

The fourth proportional to 667,601.32, 1,001,559.58 and 218,320.42 is: 327,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,601.32 : 1,001,559.58 = 218,320.42 : x
  2. Step 2: Convert to fraction form
    667,601.32/1,001,559.58 = 218,320.42/x
  3. Step 3: Cross multiply
    667,601.32x = 1,001,559.58 × 218,320.42
  4. Step 4: Simplify right side
    667,601.32x = 218,660,908,160.62
  5. Step 5: Solve for x
    x = 218,660,908,160.62/667,601.32
  6. Step 6: Final answer
    x = 327,532.17

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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.