Home / 980,558.40-1,470,922.38-270,586.47

Finding the Fourth Proportional to 980,558.40, 1,470,922.38 and 270,586.47

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Solution

The fourth proportional to 980,558.40, 1,470,922.38 and 270,586.47 is: 405,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,558.40 : 1,470,922.38 = 270,586.47 : x
  2. Step 2: Convert to fraction form
    980,558.40/1,470,922.38 = 270,586.47/x
  3. Step 3: Cross multiply
    980,558.40x = 1,470,922.38 × 270,586.47
  4. Step 4: Simplify right side
    980,558.40x = 398,011,694,448.20
  5. Step 5: Solve for x
    x = 398,011,694,448.20/980,558.40
  6. Step 6: Final answer
    x = 405,903.10

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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.