Home / 654,725.46-982,129.70-205,464.09

Finding the Fourth Proportional to 654,725.46, 982,129.70 and 205,464.09

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Solution

The fourth proportional to 654,725.46, 982,129.70 and 205,464.09 is: 308,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,725.46 : 982,129.70 = 205,464.09 : x
  2. Step 2: Convert to fraction form
    654,725.46/982,129.70 = 205,464.09/x
  3. Step 3: Cross multiply
    654,725.46x = 982,129.70 × 205,464.09
  4. Step 4: Simplify right side
    654,725.46x = 201,792,385,072.47
  5. Step 5: Solve for x
    x = 201,792,385,072.47/654,725.46
  6. Step 6: Final answer
    x = 308,209.16

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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.