Finding the Fourth Proportional to 659,992.62, 910,790.28 and 358,186.62
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Solution
The fourth proportional to 659,992.62, 910,790.28 and 358,186.62 is: 494,297.79
Step by Step Solution
- Step 1: Write the proportion equation
659,992.62 : 910,790.28 = 358,186.62 : x - Step 2: Convert to fraction form
659,992.62/910,790.28 = 358,186.62/x - Step 3: Cross multiply
659,992.62x = 910,790.28 × 358,186.62 - Step 4: Simplify right side
659,992.62x = 326,232,891,922.05 - Step 5: Solve for x
x = 326,232,891,922.05/659,992.62 - Step 6: Final answer
x = 494,297.79
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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.