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Finding the Fourth Proportional to 444,662.76, 613,695.78 and 272,683.56

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Solution

The fourth proportional to 444,662.76, 613,695.78 and 272,683.56 is: 376,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,662.76 : 613,695.78 = 272,683.56 : x
  2. Step 2: Convert to fraction form
    444,662.76/613,695.78 = 272,683.56/x
  3. Step 3: Cross multiply
    444,662.76x = 613,695.78 × 272,683.56
  4. Step 4: Simplify right side
    444,662.76x = 167,344,750,047.38
  5. Step 5: Solve for x
    x = 167,344,750,047.38/444,662.76
  6. Step 6: Final answer
    x = 376,340.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.