Home / 689,668.44-1,034,633.88-216,226.68

Finding the Fourth Proportional to 689,668.44, 1,034,633.88 and 216,226.68

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Solution

The fourth proportional to 689,668.44, 1,034,633.88 and 216,226.68 is: 324,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,668.44 : 1,034,633.88 = 216,226.68 : x
  2. Step 2: Convert to fraction form
    689,668.44/1,034,633.88 = 216,226.68/x
  3. Step 3: Cross multiply
    689,668.44x = 1,034,633.88 × 216,226.68
  4. Step 4: Simplify right side
    689,668.44x = 223,715,448,887.92
  5. Step 5: Solve for x
    x = 223,715,448,887.92/689,668.44
  6. Step 6: Final answer
    x = 324,381.16

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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.