Home / 675,743.26-1,013,846.73-255,139.42

Finding the Fourth Proportional to 675,743.26, 1,013,846.73 and 255,139.42

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Solution

The fourth proportional to 675,743.26, 1,013,846.73 and 255,139.42 is: 382,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,743.26 : 1,013,846.73 = 255,139.42 : x
  2. Step 2: Convert to fraction form
    675,743.26/1,013,846.73 = 255,139.42/x
  3. Step 3: Cross multiply
    675,743.26x = 1,013,846.73 × 255,139.42
  4. Step 4: Simplify right side
    675,743.26x = 258,672,266,661.10
  5. Step 5: Solve for x
    x = 258,672,266,661.10/675,743.26
  6. Step 6: Final answer
    x = 382,796.67

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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.