Home / 654,724.13-982,127.70-205,462.71

Finding the Fourth Proportional to 654,724.13, 982,127.70 and 205,462.71

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Solution

The fourth proportional to 654,724.13, 982,127.70 and 205,462.71 is: 308,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,724.13 : 982,127.70 = 205,462.71 : x
  2. Step 2: Convert to fraction form
    654,724.13/982,127.70 = 205,462.71/x
  3. Step 3: Cross multiply
    654,724.13x = 982,127.70 × 205,462.71
  4. Step 4: Simplify right side
    654,724.13x = 201,790,618,808.07
  5. Step 5: Solve for x
    x = 201,790,618,808.07/654,724.13
  6. Step 6: Final answer
    x = 308,207.09

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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.