Finding the Fourth Proportional to 852,578.64, 1,176,597.60 and 490,119.84
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Solution
The fourth proportional to 852,578.64, 1,176,597.60 and 490,119.84 is: 676,387.84
Step by Step Solution
- Step 1: Write the proportion equation
852,578.64 : 1,176,597.60 = 490,119.84 : x - Step 2: Convert to fraction form
852,578.64/1,176,597.60 = 490,119.84/x - Step 3: Cross multiply
852,578.64x = 1,176,597.60 × 490,119.84 - Step 4: Simplify right side
852,578.64x = 576,673,827,456.38 - Step 5: Solve for x
x = 576,673,827,456.38/852,578.64 - Step 6: Final answer
x = 676,387.84
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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.