Home / 809,912.70-1,214,869.05-360,632.70

Finding the Fourth Proportional to 809,912.70, 1,214,869.05 and 360,632.70

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Solution

The fourth proportional to 809,912.70, 1,214,869.05 and 360,632.70 is: 540,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,912.70 : 1,214,869.05 = 360,632.70 : x
  2. Step 2: Convert to fraction form
    809,912.70/1,214,869.05 = 360,632.70/x
  3. Step 3: Cross multiply
    809,912.70x = 1,214,869.05 × 360,632.70
  4. Step 4: Simplify right side
    809,912.70x = 438,121,505,647.94
  5. Step 5: Solve for x
    x = 438,121,505,647.94/809,912.70
  6. Step 6: Final answer
    x = 540,949.05

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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.