Home / 667,551.65-1,001,389.03-218,274.82

Finding the Fourth Proportional to 667,551.65, 1,001,389.03 and 218,274.82

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Solution

The fourth proportional to 667,551.65, 1,001,389.03 and 218,274.82 is: 327,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,551.65 : 1,001,389.03 = 218,274.82 : x
  2. Step 2: Convert to fraction form
    667,551.65/1,001,389.03 = 218,274.82/x
  3. Step 3: Cross multiply
    667,551.65x = 1,001,389.03 × 218,274.82
  4. Step 4: Simplify right side
    667,551.65x = 218,578,007,224.07
  5. Step 5: Solve for x
    x = 218,578,007,224.07/667,551.65
  6. Step 6: Final answer
    x = 327,432.36

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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.