Finding the Fourth Proportional to 988,521.99, 1,482,492.32 and 419,898.57
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Solution
The fourth proportional to 988,521.99, 1,482,492.32 and 419,898.57 is: 629,724.39
Step by Step Solution
- Step 1: Write the proportion equation
988,521.99 : 1,482,492.32 = 419,898.57 : x - Step 2: Convert to fraction form
988,521.99/1,482,492.32 = 419,898.57/x - Step 3: Cross multiply
988,521.99x = 1,482,492.32 × 419,898.57 - Step 4: Simplify right side
988,521.99x = 622,496,403,104.49 - Step 5: Solve for x
x = 622,496,403,104.49/988,521.99 - Step 6: Final answer
x = 629,724.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.