Finding the Fourth Proportional to 832,794.69, 1,151,193.48 and 743,040.21
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Solution
The fourth proportional to 832,794.69, 1,151,193.48 and 743,040.21 is: 1,027,123.56
Step by Step Solution
- Step 1: Write the proportion equation
832,794.69 : 1,151,193.48 = 743,040.21 : x - Step 2: Convert to fraction form
832,794.69/1,151,193.48 = 743,040.21/x - Step 3: Cross multiply
832,794.69x = 1,151,193.48 × 743,040.21 - Step 4: Simplify right side
832,794.69x = 855,383,045,129.83 - Step 5: Solve for x
x = 855,383,045,129.83/832,794.69 - Step 6: Final answer
x = 1,027,123.56
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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.