Home / 494,256.92-682,052.90-290,328.75

Finding the Fourth Proportional to 494,256.92, 682,052.90 and 290,328.75

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Solution

The fourth proportional to 494,256.92, 682,052.90 and 290,328.75 is: 400,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,256.92 : 682,052.90 = 290,328.75 : x
  2. Step 2: Convert to fraction form
    494,256.92/682,052.90 = 290,328.75/x
  3. Step 3: Cross multiply
    494,256.92x = 682,052.90 × 290,328.75
  4. Step 4: Simplify right side
    494,256.92x = 198,019,564,439.23
  5. Step 5: Solve for x
    x = 198,019,564,439.23/494,256.92
  6. Step 6: Final answer
    x = 400,640.96

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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.