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Finding the Fourth Proportional to 603,168.99, 903,375.03 and 287,847.33

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Solution

The fourth proportional to 603,168.99, 903,375.03 and 287,847.33 is: 431,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,168.99 : 903,375.03 = 287,847.33 : x
  2. Step 2: Convert to fraction form
    603,168.99/903,375.03 = 287,847.33/x
  3. Step 3: Cross multiply
    603,168.99x = 903,375.03 × 287,847.33
  4. Step 4: Simplify right side
    603,168.99x = 260,034,090,374.17
  5. Step 5: Solve for x
    x = 260,034,090,374.17/603,168.99
  6. Step 6: Final answer
    x = 431,113.16

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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.