Finding the Fourth Proportional to 880,908.71, 1,321,559.99 and 281,905.80
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Solution
The fourth proportional to 880,908.71, 1,321,559.99 and 281,905.80 is: 422,921.72
Step by Step Solution
- Step 1: Write the proportion equation
880,908.71 : 1,321,559.99 = 281,905.80 : x - Step 2: Convert to fraction form
880,908.71/1,321,559.99 = 281,905.80/x - Step 3: Cross multiply
880,908.71x = 1,321,559.99 × 281,905.80 - Step 4: Simplify right side
880,908.71x = 372,555,424,819.41 - Step 5: Solve for x
x = 372,555,424,819.41/880,908.71 - Step 6: Final answer
x = 422,921.72
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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.