Home / 667,637.88-1,001,497.52-218,406.16

Finding the Fourth Proportional to 667,637.88, 1,001,497.52 and 218,406.16

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Solution

The fourth proportional to 667,637.88, 1,001,497.52 and 218,406.16 is: 327,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,637.88 : 1,001,497.52 = 218,406.16 : x
  2. Step 2: Convert to fraction form
    667,637.88/1,001,497.52 = 218,406.16/x
  3. Step 3: Cross multiply
    667,637.88x = 1,001,497.52 × 218,406.16
  4. Step 4: Simplify right side
    667,637.88x = 218,733,227,592.72
  5. Step 5: Solve for x
    x = 218,733,227,592.72/667,637.88
  6. Step 6: Final answer
    x = 327,622.55

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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.