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Finding the Fourth Proportional to 603,239.40, 904,709.88 and 203,871.60

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Solution

The fourth proportional to 603,239.40, 904,709.88 and 203,871.60 is: 305,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,239.40 : 904,709.88 = 203,871.60 : x
  2. Step 2: Convert to fraction form
    603,239.40/904,709.88 = 203,871.60/x
  3. Step 3: Cross multiply
    603,239.40x = 904,709.88 × 203,871.60
  4. Step 4: Simplify right side
    603,239.40x = 184,444,650,771.41
  5. Step 5: Solve for x
    x = 184,444,650,771.41/603,239.40
  6. Step 6: Final answer
    x = 305,756.97

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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.