Home / 494,515.63-682,518.96-290,566.51

Finding the Fourth Proportional to 494,515.63, 682,518.96 and 290,566.51

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Solution

The fourth proportional to 494,515.63, 682,518.96 and 290,566.51 is: 401,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,515.63 : 682,518.96 = 290,566.51 : x
  2. Step 2: Convert to fraction form
    494,515.63/682,518.96 = 290,566.51/x
  3. Step 3: Cross multiply
    494,515.63x = 682,518.96 × 290,566.51
  4. Step 4: Simplify right side
    494,515.63x = 198,317,152,216.03
  5. Step 5: Solve for x
    x = 198,317,152,216.03/494,515.63
  6. Step 6: Final answer
    x = 401,033.13

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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.