Home / 645,882.92-968,195.82-308,836.52

Finding the Fourth Proportional to 645,882.92, 968,195.82 and 308,836.52

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Solution

The fourth proportional to 645,882.92, 968,195.82 and 308,836.52 is: 462,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,882.92 : 968,195.82 = 308,836.52 : x
  2. Step 2: Convert to fraction form
    645,882.92/968,195.82 = 308,836.52/x
  3. Step 3: Cross multiply
    645,882.92x = 968,195.82 × 308,836.52
  4. Step 4: Simplify right side
    645,882.92x = 299,014,227,727.35
  5. Step 5: Solve for x
    x = 299,014,227,727.35/645,882.92
  6. Step 6: Final answer
    x = 462,954.23

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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.