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Finding the Fourth Proportional to 603,757.42, 833,264.26 and 389,520.72

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Solution

The fourth proportional to 603,757.42, 833,264.26 and 389,520.72 is: 537,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,757.42 : 833,264.26 = 389,520.72 : x
  2. Step 2: Convert to fraction form
    603,757.42/833,264.26 = 389,520.72/x
  3. Step 3: Cross multiply
    603,757.42x = 833,264.26 × 389,520.72
  4. Step 4: Simplify right side
    603,757.42x = 324,573,694,505.47
  5. Step 5: Solve for x
    x = 324,573,694,505.47/603,757.42
  6. Step 6: Final answer
    x = 537,589.57

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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.