Finding the Fourth Proportional to 789,235.34, 1,088,878.26 and 449,463.02
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Solution
The fourth proportional to 789,235.34, 1,088,878.26 and 449,463.02 is: 620,107.19
Step by Step Solution
- Step 1: Write the proportion equation
789,235.34 : 1,088,878.26 = 449,463.02 : x - Step 2: Convert to fraction form
789,235.34/1,088,878.26 = 449,463.02/x - Step 3: Cross multiply
789,235.34x = 1,088,878.26 × 449,463.02 - Step 4: Simplify right side
789,235.34x = 489,410,511,151.95 - Step 5: Solve for x
x = 489,410,511,151.95/789,235.34 - Step 6: Final answer
x = 620,107.19
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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.