Home / 667,553.84-1,001,392.31-218,277.01

Finding the Fourth Proportional to 667,553.84, 1,001,392.31 and 218,277.01

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Solution

The fourth proportional to 667,553.84, 1,001,392.31 and 218,277.01 is: 327,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,553.84 : 1,001,392.31 = 218,277.01 : x
  2. Step 2: Convert to fraction form
    667,553.84/1,001,392.31 = 218,277.01/x
  3. Step 3: Cross multiply
    667,553.84x = 1,001,392.31 × 218,277.01
  4. Step 4: Simplify right side
    667,553.84x = 218,580,919,263.79
  5. Step 5: Solve for x
    x = 218,580,919,263.79/667,553.84
  6. Step 6: Final answer
    x = 327,435.64

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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.