Home / 436,821.56-655,013.08-254,511.38

Finding the Fourth Proportional to 436,821.56, 655,013.08 and 254,511.38

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Solution

The fourth proportional to 436,821.56, 655,013.08 and 254,511.38 is: 381,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,821.56 : 655,013.08 = 254,511.38 : x
  2. Step 2: Convert to fraction form
    436,821.56/655,013.08 = 254,511.38/x
  3. Step 3: Cross multiply
    436,821.56x = 655,013.08 × 254,511.38
  4. Step 4: Simplify right side
    436,821.56x = 166,708,282,908.85
  5. Step 5: Solve for x
    x = 166,708,282,908.85/436,821.56
  6. Step 6: Final answer
    x = 381,639.32

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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.