Finding the Fourth Proportional to 651,231.88, 899,138.84 and 406,589.48
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Solution
The fourth proportional to 651,231.88, 899,138.84 and 406,589.48 is: 561,367.47
Step by Step Solution
- Step 1: Write the proportion equation
651,231.88 : 899,138.84 = 406,589.48 : x - Step 2: Convert to fraction form
651,231.88/899,138.84 = 406,589.48/x - Step 3: Cross multiply
651,231.88x = 899,138.84 × 406,589.48 - Step 4: Simplify right side
651,231.88x = 365,580,393,403.40 - Step 5: Solve for x
x = 365,580,393,403.40/651,231.88 - Step 6: Final answer
x = 561,367.47
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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.