Home / 436,819.56-655,010.08-254,509.38

Finding the Fourth Proportional to 436,819.56, 655,010.08 and 254,509.38

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Solution

The fourth proportional to 436,819.56, 655,010.08 and 254,509.38 is: 381,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,819.56 : 655,010.08 = 254,509.38 : x
  2. Step 2: Convert to fraction form
    436,819.56/655,010.08 = 254,509.38/x
  3. Step 3: Cross multiply
    436,819.56x = 655,010.08 × 254,509.38
  4. Step 4: Simplify right side
    436,819.56x = 166,706,209,354.55
  5. Step 5: Solve for x
    x = 166,706,209,354.55/436,819.56
  6. Step 6: Final answer
    x = 381,636.32

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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.