Finding the Fourth Proportional to 816,475.75, 1,126,769.00 and 448,983.02
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Solution
The fourth proportional to 816,475.75, 1,126,769.00 and 448,983.02 is: 619,614.42
Step by Step Solution
- Step 1: Write the proportion equation
816,475.75 : 1,126,769.00 = 448,983.02 : x - Step 2: Convert to fraction form
816,475.75/1,126,769.00 = 448,983.02/x - Step 3: Cross multiply
816,475.75x = 1,126,769.00 × 448,983.02 - Step 4: Simplify right side
816,475.75x = 505,900,149,034.39 - Step 5: Solve for x
x = 505,900,149,034.39/816,475.75 - Step 6: Final answer
x = 619,614.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.