Home / 667,551.84-1,001,389.31-218,275.01

Finding the Fourth Proportional to 667,551.84, 1,001,389.31 and 218,275.01

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Solution

The fourth proportional to 667,551.84, 1,001,389.31 and 218,275.01 is: 327,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,551.84 : 1,001,389.31 = 218,275.01 : x
  2. Step 2: Convert to fraction form
    667,551.84/1,001,389.31 = 218,275.01/x
  3. Step 3: Cross multiply
    667,551.84x = 1,001,389.31 × 218,275.01
  4. Step 4: Simplify right side
    667,551.84x = 218,578,255,555.82
  5. Step 5: Solve for x
    x = 218,578,255,555.82/667,551.84
  6. Step 6: Final answer
    x = 327,432.63

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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.