Home / 494,621.10-682,360.47-290,579.94

Finding the Fourth Proportional to 494,621.10, 682,360.47 and 290,579.94

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Solution

The fourth proportional to 494,621.10, 682,360.47 and 290,579.94 is: 400,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,621.10 : 682,360.47 = 290,579.94 : x
  2. Step 2: Convert to fraction form
    494,621.10/682,360.47 = 290,579.94/x
  3. Step 3: Cross multiply
    494,621.10x = 682,360.47 × 290,579.94
  4. Step 4: Simplify right side
    494,621.10x = 198,280,264,430.97
  5. Step 5: Solve for x
    x = 198,280,264,430.97/494,621.10
  6. Step 6: Final answer
    x = 400,873.04

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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.