Home / 494,898.95-682,975.69-290,912.45

Finding the Fourth Proportional to 494,898.95, 682,975.69 and 290,912.45

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Solution

The fourth proportional to 494,898.95, 682,975.69 and 290,912.45 is: 401,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,898.95 : 682,975.69 = 290,912.45 : x
  2. Step 2: Convert to fraction form
    494,898.95/682,975.69 = 290,912.45/x
  3. Step 3: Cross multiply
    494,898.95x = 682,975.69 × 290,912.45
  4. Step 4: Simplify right side
    494,898.95x = 198,686,127,126.18
  5. Step 5: Solve for x
    x = 198,686,127,126.18/494,898.95
  6. Step 6: Final answer
    x = 401,468.07

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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.