Home / 959,213.79-1,439,269.43-419,400.23

Finding the Fourth Proportional to 959,213.79, 1,439,269.43 and 419,400.23

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Solution

The fourth proportional to 959,213.79, 1,439,269.43 and 419,400.23 is: 629,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,213.79 : 1,439,269.43 = 419,400.23 : x
  2. Step 2: Convert to fraction form
    959,213.79/1,439,269.43 = 419,400.23/x
  3. Step 3: Cross multiply
    959,213.79x = 1,439,269.43 × 419,400.23
  4. Step 4: Simplify right side
    959,213.79x = 603,629,920,680.62
  5. Step 5: Solve for x
    x = 603,629,920,680.62/959,213.79
  6. Step 6: Final answer
    x = 629,296.54

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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.