Home / 775,619.29-1,163,448.38-214,658.65

Finding the Fourth Proportional to 775,619.29, 1,163,448.38 and 214,658.65

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Solution

The fourth proportional to 775,619.29, 1,163,448.38 and 214,658.65 is: 321,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,619.29 : 1,163,448.38 = 214,658.65 : x
  2. Step 2: Convert to fraction form
    775,619.29/1,163,448.38 = 214,658.65/x
  3. Step 3: Cross multiply
    775,619.29x = 1,163,448.38 × 214,658.65
  4. Step 4: Simplify right side
    775,619.29x = 249,744,258,595.49
  5. Step 5: Solve for x
    x = 249,744,258,595.49/775,619.29
  6. Step 6: Final answer
    x = 321,993.36

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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.