Finding the Fourth Proportional to 651,438.23, 898,912.17 and 379,449.23
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Solution
The fourth proportional to 651,438.23, 898,912.17 and 379,449.23 is: 523,597.65
Step by Step Solution
- Step 1: Write the proportion equation
651,438.23 : 898,912.17 = 379,449.23 : x - Step 2: Convert to fraction form
651,438.23/898,912.17 = 379,449.23/x - Step 3: Cross multiply
651,438.23x = 898,912.17 × 379,449.23 - Step 4: Simplify right side
651,438.23x = 341,091,526,249.57 - Step 5: Solve for x
x = 341,091,526,249.57/651,438.23 - Step 6: Final answer
x = 523,597.65
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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.