Home / 668,198.53-1,002,520.61-444,441.10

Finding the Fourth Proportional to 668,198.53, 1,002,520.61 and 444,441.10

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Solution

The fourth proportional to 668,198.53, 1,002,520.61 and 444,441.10 is: 666,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,198.53 : 1,002,520.61 = 444,441.10 : x
  2. Step 2: Convert to fraction form
    668,198.53/1,002,520.61 = 444,441.10/x
  3. Step 3: Cross multiply
    668,198.53x = 1,002,520.61 × 444,441.10
  4. Step 4: Simplify right side
    668,198.53x = 445,561,362,681.07
  5. Step 5: Solve for x
    x = 445,561,362,681.07/668,198.53
  6. Step 6: Final answer
    x = 666,809.85

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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.