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Finding the Fourth Proportional to 603,268.46, 903,524.52 and 287,946.80

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Solution

The fourth proportional to 603,268.46, 903,524.52 and 287,946.80 is: 431,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,268.46 : 903,524.52 = 287,946.80 : x
  2. Step 2: Convert to fraction form
    603,268.46/903,524.52 = 287,946.80/x
  3. Step 3: Cross multiply
    603,268.46x = 903,524.52 × 287,946.80
  4. Step 4: Simplify right side
    603,268.46x = 260,166,994,255.54
  5. Step 5: Solve for x
    x = 260,166,994,255.54/603,268.46
  6. Step 6: Final answer
    x = 431,262.38

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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.