Finding the Fourth Proportional to 999,673.67, 1,379,545.49 and 540,787.09
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Solution
The fourth proportional to 999,673.67, 1,379,545.49 and 540,787.09 is: 746,283.92
Step by Step Solution
- Step 1: Write the proportion equation
999,673.67 : 1,379,545.49 = 540,787.09 : x - Step 2: Convert to fraction form
999,673.67/1,379,545.49 = 540,787.09/x - Step 3: Cross multiply
999,673.67x = 1,379,545.49 × 540,787.09 - Step 4: Simplify right side
999,673.67x = 746,040,384,906.93 - Step 5: Solve for x
x = 746,040,384,906.93/999,673.67 - Step 6: Final answer
x = 746,283.92
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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.