Finding the Fourth Proportional to 647,554.42, 894,189.09 and 406,251.82
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Solution
The fourth proportional to 647,554.42, 894,189.09 and 406,251.82 is: 560,981.34
Step by Step Solution
- Step 1: Write the proportion equation
647,554.42 : 894,189.09 = 406,251.82 : x - Step 2: Convert to fraction form
647,554.42/894,189.09 = 406,251.82/x - Step 3: Cross multiply
647,554.42x = 894,189.09 × 406,251.82 - Step 4: Simplify right side
647,554.42x = 363,265,945,236.64 - Step 5: Solve for x
x = 363,265,945,236.64/647,554.42 - Step 6: Final answer
x = 560,981.34
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1.5x scale
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.