Finding the Fourth Proportional to 845,340.62, 1,165,889.84 and 743,147.58
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Solution
The fourth proportional to 845,340.62, 1,165,889.84 and 743,147.58 is: 1,024,945.68
Step by Step Solution
- Step 1: Write the proportion equation
845,340.62 : 1,165,889.84 = 743,147.58 : x - Step 2: Convert to fraction form
845,340.62/1,165,889.84 = 743,147.58/x - Step 3: Cross multiply
845,340.62x = 1,165,889.84 × 743,147.58 - Step 4: Simplify right side
845,340.62x = 866,428,207,313.14 - Step 5: Solve for x
x = 866,428,207,313.14/845,340.62 - Step 6: Final answer
x = 1,024,945.68
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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.