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Finding the Fourth Proportional to 683,489.26, 943,223.09 and 377,559.30

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Solution

The fourth proportional to 683,489.26, 943,223.09 and 377,559.30 is: 521,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,489.26 : 943,223.09 = 377,559.30 : x
  2. Step 2: Convert to fraction form
    683,489.26/943,223.09 = 377,559.30/x
  3. Step 3: Cross multiply
    683,489.26x = 943,223.09 × 377,559.30
  4. Step 4: Simplify right side
    683,489.26x = 356,122,650,548.14
  5. Step 5: Solve for x
    x = 356,122,650,548.14/683,489.26
  6. Step 6: Final answer
    x = 521,036.21

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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.