Home / 494,780.69-682,798.67-268,426.19

Finding the Fourth Proportional to 494,780.69, 682,798.67 and 268,426.19

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Solution

The fourth proportional to 494,780.69, 682,798.67 and 268,426.19 is: 370,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,780.69 : 682,798.67 = 268,426.19 : x
  2. Step 2: Convert to fraction form
    494,780.69/682,798.67 = 268,426.19/x
  3. Step 3: Cross multiply
    494,780.69x = 682,798.67 × 268,426.19
  4. Step 4: Simplify right side
    494,780.69x = 183,281,040,769.04
  5. Step 5: Solve for x
    x = 183,281,040,769.04/494,780.69
  6. Step 6: Final answer
    x = 370,428.85

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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.