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Finding the Fourth Proportional to 436,759.96, 602,679.90 and 245,839

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Solution

The fourth proportional to 436,759.96, 602,679.90 and 245,839 is: 339,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,759.96 : 602,679.90 = 245,839 : x
  2. Step 2: Convert to fraction form
    436,759.96/602,679.90 = 245,839/x
  3. Step 3: Cross multiply
    436,759.96x = 602,679.90 × 245,839
  4. Step 4: Simplify right side
    436,759.96x = 148,162,223,936.10
  5. Step 5: Solve for x
    x = 148,162,223,936.10/436,759.96
  6. Step 6: Final answer
    x = 339,230.33

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1.5x scale

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.