Home / 494,013.15-681,529.33-330,722.25

Finding the Fourth Proportional to 494,013.15, 681,529.33 and 330,722.25

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Solution

The fourth proportional to 494,013.15, 681,529.33 and 330,722.25 is: 456,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,013.15 : 681,529.33 = 330,722.25 : x
  2. Step 2: Convert to fraction form
    494,013.15/681,529.33 = 330,722.25/x
  3. Step 3: Cross multiply
    494,013.15x = 681,529.33 × 330,722.25
  4. Step 4: Simplify right side
    494,013.15x = 225,396,913,458.59
  5. Step 5: Solve for x
    x = 225,396,913,458.59/494,013.15
  6. Step 6: Final answer
    x = 456,256.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.