Home / 746,972.89-1,120,742.43-447,668.27

Finding the Fourth Proportional to 746,972.89, 1,120,742.43 and 447,668.27

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Solution

The fourth proportional to 746,972.89, 1,120,742.43 and 447,668.27 is: 671,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,972.89 : 1,120,742.43 = 447,668.27 : x
  2. Step 2: Convert to fraction form
    746,972.89/1,120,742.43 = 447,668.27/x
  3. Step 3: Cross multiply
    746,972.89x = 1,120,742.43 × 447,668.27
  4. Step 4: Simplify right side
    746,972.89x = 501,720,821,674.01
  5. Step 5: Solve for x
    x = 501,720,821,674.01/746,972.89
  6. Step 6: Final answer
    x = 671,672.06

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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.