Home / 763,759.26-1,054,021.14-424,227.51

Finding the Fourth Proportional to 763,759.26, 1,054,021.14 and 424,227.51

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Solution

The fourth proportional to 763,759.26, 1,054,021.14 and 424,227.51 is: 585,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,759.26 : 1,054,021.14 = 424,227.51 : x
  2. Step 2: Convert to fraction form
    763,759.26/1,054,021.14 = 424,227.51/x
  3. Step 3: Cross multiply
    763,759.26x = 1,054,021.14 × 424,227.51
  4. Step 4: Simplify right side
    763,759.26x = 447,144,763,709.56
  5. Step 5: Solve for x
    x = 447,144,763,709.56/763,759.26
  6. Step 6: Final answer
    x = 585,452.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.