Home / 494,460.05-682,368.30-279,632.25

Finding the Fourth Proportional to 494,460.05, 682,368.30 and 279,632.25

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Solution

The fourth proportional to 494,460.05, 682,368.30 and 279,632.25 is: 385,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,460.05 : 682,368.30 = 279,632.25 : x
  2. Step 2: Convert to fraction form
    494,460.05/682,368.30 = 279,632.25/x
  3. Step 3: Cross multiply
    494,460.05x = 682,368.30 × 279,632.25
  4. Step 4: Simplify right side
    494,460.05x = 190,812,183,057.68
  5. Step 5: Solve for x
    x = 190,812,183,057.68/494,460.05
  6. Step 6: Final answer
    x = 385,900.10

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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.