Home / 645,796.33-968,706.38-281,021.14

Finding the Fourth Proportional to 645,796.33, 968,706.38 and 281,021.14

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Solution

The fourth proportional to 645,796.33, 968,706.38 and 281,021.14 is: 421,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,796.33 : 968,706.38 = 281,021.14 : x
  2. Step 2: Convert to fraction form
    645,796.33/968,706.38 = 281,021.14/x
  3. Step 3: Cross multiply
    645,796.33x = 968,706.38 × 281,021.14
  4. Step 4: Simplify right side
    645,796.33x = 272,226,964,984.24
  5. Step 5: Solve for x
    x = 272,226,964,984.24/645,796.33
  6. Step 6: Final answer
    x = 421,536.88

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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.