Finding the Fourth Proportional to 927,769.37, 1,389,908.09 and 727,481.48
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Solution
The fourth proportional to 927,769.37, 1,389,908.09 and 727,481.48 is: 1,089,853.18
Step by Step Solution
- Step 1: Write the proportion equation
927,769.37 : 1,389,908.09 = 727,481.48 : x - Step 2: Convert to fraction form
927,769.37/1,389,908.09 = 727,481.48/x - Step 3: Cross multiply
927,769.37x = 1,389,908.09 × 727,481.48 - Step 4: Simplify right side
927,769.37x = 1,011,132,389,246.34 - Step 5: Solve for x
x = 1,011,132,389,246.34/927,769.37 - Step 6: Final answer
x = 1,089,853.18
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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.