Home / 709,694.66-1,064,556.95-254,315.57

Finding the Fourth Proportional to 709,694.66, 1,064,556.95 and 254,315.57

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Solution

The fourth proportional to 709,694.66, 1,064,556.95 and 254,315.57 is: 381,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,694.66 : 1,064,556.95 = 254,315.57 : x
  2. Step 2: Convert to fraction form
    709,694.66/1,064,556.95 = 254,315.57/x
  3. Step 3: Cross multiply
    709,694.66x = 1,064,556.95 × 254,315.57
  4. Step 4: Simplify right side
    709,694.66x = 270,733,400,942.35
  5. Step 5: Solve for x
    x = 270,733,400,942.35/709,694.66
  6. Step 6: Final answer
    x = 381,478.71

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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.