Finding the Fourth Proportional to 667,765.24, 921,835.14 and 381,229.96
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Solution
The fourth proportional to 667,765.24, 921,835.14 and 381,229.96 is: 526,279.53
Step by Step Solution
- Step 1: Write the proportion equation
667,765.24 : 921,835.14 = 381,229.96 : x - Step 2: Convert to fraction form
667,765.24/921,835.14 = 381,229.96/x - Step 3: Cross multiply
667,765.24x = 921,835.14 × 381,229.96 - Step 4: Simplify right side
667,765.24x = 351,431,173,548.79 - Step 5: Solve for x
x = 351,431,173,548.79/667,765.24 - Step 6: Final answer
x = 526,279.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.