Home / 494,423.51-682,300.67-279,571.23

Finding the Fourth Proportional to 494,423.51, 682,300.67 and 279,571.23

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Solution

The fourth proportional to 494,423.51, 682,300.67 and 279,571.23 is: 385,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,423.51 : 682,300.67 = 279,571.23 : x
  2. Step 2: Convert to fraction form
    494,423.51/682,300.67 = 279,571.23/x
  3. Step 3: Cross multiply
    494,423.51x = 682,300.67 × 279,571.23
  4. Step 4: Simplify right side
    494,423.51x = 190,751,636,143.87
  5. Step 5: Solve for x
    x = 190,751,636,143.87/494,423.51
  6. Step 6: Final answer
    x = 385,806.16

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1.5x scale

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.