Home / 667,551.77-1,001,389.22-218,274.95

Finding the Fourth Proportional to 667,551.77, 1,001,389.22 and 218,274.95

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Solution

The fourth proportional to 667,551.77, 1,001,389.22 and 218,274.95 is: 327,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,551.77 : 1,001,389.22 = 218,274.95 : x
  2. Step 2: Convert to fraction form
    667,551.77/1,001,389.22 = 218,274.95/x
  3. Step 3: Cross multiply
    667,551.77x = 1,001,389.22 × 218,274.95
  4. Step 4: Simplify right side
    667,551.77x = 218,578,175,827.72
  5. Step 5: Solve for x
    x = 218,578,175,827.72/667,551.77
  6. Step 6: Final answer
    x = 327,432.55

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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.