Finding the Fourth Proportional to 569,625.19, 786,080.68 and 321,247.42
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Solution
The fourth proportional to 569,625.19, 786,080.68 and 321,247.42 is: 443,320.27
Step by Step Solution
- Step 1: Write the proportion equation
569,625.19 : 786,080.68 = 321,247.42 : x - Step 2: Convert to fraction form
569,625.19/786,080.68 = 321,247.42/x - Step 3: Cross multiply
569,625.19x = 786,080.68 × 321,247.42 - Step 4: Simplify right side
569,625.19x = 252,526,390,361.85 - Step 5: Solve for x
x = 252,526,390,361.85/569,625.19 - Step 6: Final answer
x = 443,320.27
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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.