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Finding the Fourth Proportional to 444,772.38, 613,740.06 and 253,749

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Solution

The fourth proportional to 444,772.38, 613,740.06 and 253,749 is: 350,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,772.38 : 613,740.06 = 253,749 : x
  2. Step 2: Convert to fraction form
    444,772.38/613,740.06 = 253,749/x
  3. Step 3: Cross multiply
    444,772.38x = 613,740.06 × 253,749
  4. Step 4: Simplify right side
    444,772.38x = 155,735,926,484.94
  5. Step 5: Solve for x
    x = 155,735,926,484.94/444,772.38
  6. Step 6: Final answer
    x = 350,147.48

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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.