Home / 654,724.38-982,128.08-205,462.96

Finding the Fourth Proportional to 654,724.38, 982,128.08 and 205,462.96

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Solution

The fourth proportional to 654,724.38, 982,128.08 and 205,462.96 is: 308,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,724.38 : 982,128.08 = 205,462.96 : x
  2. Step 2: Convert to fraction form
    654,724.38/982,128.08 = 205,462.96/x
  3. Step 3: Cross multiply
    654,724.38x = 982,128.08 × 205,462.96
  4. Step 4: Simplify right side
    654,724.38x = 201,790,942,415.92
  5. Step 5: Solve for x
    x = 201,790,942,415.92/654,724.38
  6. Step 6: Final answer
    x = 308,207.47

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1.5x scale

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.