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Finding the Fourth Proportional to 444,013.70, 613,019.09 and 308,000.07

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Solution

The fourth proportional to 444,013.70, 613,019.09 and 308,000.07 is: 425,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,013.70 : 613,019.09 = 308,000.07 : x
  2. Step 2: Convert to fraction form
    444,013.70/613,019.09 = 308,000.07/x
  3. Step 3: Cross multiply
    444,013.70x = 613,019.09 × 308,000.07
  4. Step 4: Simplify right side
    444,013.70x = 188,809,921,668.84
  5. Step 5: Solve for x
    x = 188,809,921,668.84/444,013.70
  6. Step 6: Final answer
    x = 425,234.45

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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.