Finding the Fourth Proportional to 431,207.19, 590,755.98 and 415,045.86
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Solution
The fourth proportional to 431,207.19, 590,755.98 and 415,045.86 is: 568,614.88
Step by Step Solution
- Step 1: Write the proportion equation
431,207.19 : 590,755.98 = 415,045.86 : x - Step 2: Convert to fraction form
431,207.19/590,755.98 = 415,045.86/x - Step 3: Cross multiply
431,207.19x = 590,755.98 × 415,045.86 - Step 4: Simplify right side
431,207.19x = 245,190,823,769.24 - Step 5: Solve for x
x = 245,190,823,769.24/431,207.19 - Step 6: Final answer
x = 568,614.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.