Home / 721,668.12-1,082,742.67-241,943.35

Finding the Fourth Proportional to 721,668.12, 1,082,742.67 and 241,943.35

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Solution

The fourth proportional to 721,668.12, 1,082,742.67 and 241,943.35 is: 362,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,668.12 : 1,082,742.67 = 241,943.35 : x
  2. Step 2: Convert to fraction form
    721,668.12/1,082,742.67 = 241,943.35/x
  3. Step 3: Cross multiply
    721,668.12x = 1,082,742.67 × 241,943.35
  4. Step 4: Simplify right side
    721,668.12x = 261,962,388,767.74
  5. Step 5: Solve for x
    x = 261,962,388,767.74/721,668.12
  6. Step 6: Final answer
    x = 362,995.65

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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.