Home / 1,002,661.65-1,504,041.74-328,469.76

Finding the Fourth Proportional to 1,002,661.65, 1,504,041.74 and 328,469.76

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Solution

The fourth proportional to 1,002,661.65, 1,504,041.74 and 328,469.76 is: 492,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,661.65 : 1,504,041.74 = 328,469.76 : x
  2. Step 2: Convert to fraction form
    1,002,661.65/1,504,041.74 = 328,469.76/x
  3. Step 3: Cross multiply
    1,002,661.65x = 1,504,041.74 × 328,469.76
  4. Step 4: Simplify right side
    1,002,661.65x = 494,032,227,725.43
  5. Step 5: Solve for x
    x = 494,032,227,725.43/1,002,661.65
  6. Step 6: Final answer
    x = 492,720.78

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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.