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Finding the Fourth Proportional to 603,980.35, 903,999.12 and 444,013.93

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Solution

The fourth proportional to 603,980.35, 903,999.12 and 444,013.93 is: 664,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,980.35 : 903,999.12 = 444,013.93 : x
  2. Step 2: Convert to fraction form
    603,980.35/903,999.12 = 444,013.93/x
  3. Step 3: Cross multiply
    603,980.35x = 903,999.12 × 444,013.93
  4. Step 4: Simplify right side
    603,980.35x = 401,388,201,987.74
  5. Step 5: Solve for x
    x = 401,388,201,987.74/603,980.35
  6. Step 6: Final answer
    x = 664,571.63

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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.