Home / 855,754.07-1,180,972.43-488,291.04

Finding the Fourth Proportional to 855,754.07, 1,180,972.43 and 488,291.04

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Solution

The fourth proportional to 855,754.07, 1,180,972.43 and 488,291.04 is: 673,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,754.07 : 1,180,972.43 = 488,291.04 : x
  2. Step 2: Convert to fraction form
    855,754.07/1,180,972.43 = 488,291.04/x
  3. Step 3: Cross multiply
    855,754.07x = 1,180,972.43 × 488,291.04
  4. Step 4: Simplify right side
    855,754.07x = 576,658,253,614.57
  5. Step 5: Solve for x
    x = 576,658,253,614.57/855,754.07
  6. Step 6: Final answer
    x = 673,859.79

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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.