Home / 980,467.55-1,470,786.05-270,495.59

Finding the Fourth Proportional to 980,467.55, 1,470,786.05 and 270,495.59

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Solution

The fourth proportional to 980,467.55, 1,470,786.05 and 270,495.59 is: 405,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,467.55 : 1,470,786.05 = 270,495.59 : x
  2. Step 2: Convert to fraction form
    980,467.55/1,470,786.05 = 270,495.59/x
  3. Step 3: Cross multiply
    980,467.55x = 1,470,786.05 × 270,495.59
  4. Step 4: Simplify right side
    980,467.55x = 397,841,133,680.83
  5. Step 5: Solve for x
    x = 397,841,133,680.83/980,467.55
  6. Step 6: Final answer
    x = 405,766.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.