Home / 494,986.47-683,081.67-268,631.97

Finding the Fourth Proportional to 494,986.47, 683,081.67 and 268,631.97

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Solution

The fourth proportional to 494,986.47, 683,081.67 and 268,631.97 is: 370,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,986.47 : 683,081.67 = 268,631.97 : x
  2. Step 2: Convert to fraction form
    494,986.47/683,081.67 = 268,631.97/x
  3. Step 3: Cross multiply
    494,986.47x = 683,081.67 × 268,631.97
  4. Step 4: Simplify right side
    494,986.47x = 183,497,574,682.99
  5. Step 5: Solve for x
    x = 183,497,574,682.99/494,986.47
  6. Step 6: Final answer
    x = 370,712.30

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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.