Finding the Fourth Proportional to 789,233.84, 1,088,876.19 and 449,461.52
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Solution
The fourth proportional to 789,233.84, 1,088,876.19 and 449,461.52 is: 620,105.12
Step by Step Solution
- Step 1: Write the proportion equation
789,233.84 : 1,088,876.19 = 449,461.52 : x - Step 2: Convert to fraction form
789,233.84/1,088,876.19 = 449,461.52/x - Step 3: Cross multiply
789,233.84x = 1,088,876.19 × 449,461.52 - Step 4: Simplify right side
789,233.84x = 489,407,947,449.21 - Step 5: Solve for x
x = 489,407,947,449.21/789,233.84 - Step 6: Final answer
x = 620,105.12
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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.