Finding the Fourth Proportional to 745,146.20, 1,117,092.36 and 324,104.96
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Solution
The fourth proportional to 745,146.20, 1,117,092.36 and 324,104.96 is: 485,884.75
Step by Step Solution
- Step 1: Write the proportion equation
745,146.20 : 1,117,092.36 = 324,104.96 : x - Step 2: Convert to fraction form
745,146.20/1,117,092.36 = 324,104.96/x - Step 3: Cross multiply
745,146.20x = 1,117,092.36 × 324,104.96 - Step 4: Simplify right side
745,146.20x = 362,055,174,654.11 - Step 5: Solve for x
x = 362,055,174,654.11/745,146.20 - Step 6: Final answer
x = 485,884.75
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1.5x scale
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.