Home / 494,442.84-682,442.48-290,559.24

Finding the Fourth Proportional to 494,442.84, 682,442.48 and 290,559.24

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Solution

The fourth proportional to 494,442.84, 682,442.48 and 290,559.24 is: 401,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,442.84 : 682,442.48 = 290,559.24 : x
  2. Step 2: Convert to fraction form
    494,442.84/682,442.48 = 290,559.24/x
  3. Step 3: Cross multiply
    494,442.84x = 682,442.48 × 290,559.24
  4. Step 4: Simplify right side
    494,442.84x = 198,289,968,332.52
  5. Step 5: Solve for x
    x = 198,289,968,332.52/494,442.84
  6. Step 6: Final answer
    x = 401,037.19

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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.