Finding the Fourth Proportional to 667,690.44, 921,382.74 and 365,877.96
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Solution
The fourth proportional to 667,690.44, 921,382.74 and 365,877.96 is: 504,895.11
Step by Step Solution
- Step 1: Write the proportion equation
667,690.44 : 921,382.74 = 365,877.96 : x - Step 2: Convert to fraction form
667,690.44/921,382.74 = 365,877.96/x - Step 3: Cross multiply
667,690.44x = 921,382.74 × 365,877.96 - Step 4: Simplify right side
667,690.44x = 337,113,637,290.41 - Step 5: Solve for x
x = 337,113,637,290.41/667,690.44 - Step 6: Final answer
x = 504,895.11
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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.