Home / 691,034.72-1,036,682.76-270,284

Finding the Fourth Proportional to 691,034.72, 1,036,682.76 and 270,284

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Solution

The fourth proportional to 691,034.72, 1,036,682.76 and 270,284 is: 405,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,034.72 : 1,036,682.76 = 270,284 : x
  2. Step 2: Convert to fraction form
    691,034.72/1,036,682.76 = 270,284/x
  3. Step 3: Cross multiply
    691,034.72x = 1,036,682.76 × 270,284
  4. Step 4: Simplify right side
    691,034.72x = 280,198,763,103.84
  5. Step 5: Solve for x
    x = 280,198,763,103.84/691,034.72
  6. Step 6: Final answer
    x = 405,477.11

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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.