Home / 645,882.42-968,195.07-308,836.02

Finding the Fourth Proportional to 645,882.42, 968,195.07 and 308,836.02

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Solution

The fourth proportional to 645,882.42, 968,195.07 and 308,836.02 is: 462,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,882.42 : 968,195.07 = 308,836.02 : x
  2. Step 2: Convert to fraction form
    645,882.42/968,195.07 = 308,836.02/x
  3. Step 3: Cross multiply
    645,882.42x = 968,195.07 × 308,836.02
  4. Step 4: Simplify right side
    645,882.42x = 299,013,512,002.42
  5. Step 5: Solve for x
    x = 299,013,512,002.42/645,882.42
  6. Step 6: Final answer
    x = 462,953.48

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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.