Home / 980,183.73-1,470,459.22-440,426.67

Finding the Fourth Proportional to 980,183.73, 1,470,459.22 and 440,426.67

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Solution

The fourth proportional to 980,183.73, 1,470,459.22 and 440,426.67 is: 660,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,183.73 : 1,470,459.22 = 440,426.67 : x
  2. Step 2: Convert to fraction form
    980,183.73/1,470,459.22 = 440,426.67/x
  3. Step 3: Cross multiply
    980,183.73x = 1,470,459.22 × 440,426.67
  4. Step 4: Simplify right side
    980,183.73x = 647,629,451,020.11
  5. Step 5: Solve for x
    x = 647,629,451,020.11/980,183.73
  6. Step 6: Final answer
    x = 660,722.50

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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.