Home / 785,160.84-1,177,716.14-329,993.22

Finding the Fourth Proportional to 785,160.84, 1,177,716.14 and 329,993.22

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Solution

The fourth proportional to 785,160.84, 1,177,716.14 and 329,993.22 is: 494,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,160.84 : 1,177,716.14 = 329,993.22 : x
  2. Step 2: Convert to fraction form
    785,160.84/1,177,716.14 = 329,993.22/x
  3. Step 3: Cross multiply
    785,160.84x = 1,177,716.14 × 329,993.22
  4. Step 4: Simplify right side
    785,160.84x = 388,638,341,284.57
  5. Step 5: Solve for x
    x = 388,638,341,284.57/785,160.84
  6. Step 6: Final answer
    x = 494,979.27

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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.