Finding the Fourth Proportional to 815,850.94, 1,125,808.28 and 471,708.96
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Solution
The fourth proportional to 815,850.94, 1,125,808.28 and 471,708.96 is: 650,920.19
Step by Step Solution
- Step 1: Write the proportion equation
815,850.94 : 1,125,808.28 = 471,708.96 : x - Step 2: Convert to fraction form
815,850.94/1,125,808.28 = 471,708.96/x - Step 3: Cross multiply
815,850.94x = 1,125,808.28 × 471,708.96 - Step 4: Simplify right side
815,850.94x = 531,053,852,918.19 - Step 5: Solve for x
x = 531,053,852,918.19/815,850.94 - Step 6: Final answer
x = 650,920.19
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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.