Home / 494,555.10-682,479.72-268,200.60

Finding the Fourth Proportional to 494,555.10, 682,479.72 and 268,200.60

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Solution

The fourth proportional to 494,555.10, 682,479.72 and 268,200.60 is: 370,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,555.10 : 682,479.72 = 268,200.60 : x
  2. Step 2: Convert to fraction form
    494,555.10/682,479.72 = 268,200.60/x
  3. Step 3: Cross multiply
    494,555.10x = 682,479.72 × 268,200.60
  4. Step 4: Simplify right side
    494,555.10x = 183,041,470,391.83
  5. Step 5: Solve for x
    x = 183,041,470,391.83/494,555.10
  6. Step 6: Final answer
    x = 370,113.40

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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.