Finding the Fourth Proportional to 789,180.84, 1,088,803.08 and 449,408.52
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Solution
The fourth proportional to 789,180.84, 1,088,803.08 and 449,408.52 is: 620,032.01
Step by Step Solution
- Step 1: Write the proportion equation
789,180.84 : 1,088,803.08 = 449,408.52 : x - Step 2: Convert to fraction form
789,180.84/1,088,803.08 = 449,408.52/x - Step 3: Cross multiply
789,180.84x = 1,088,803.08 × 449,408.52 - Step 4: Simplify right side
789,180.84x = 489,317,380,754.24 - Step 5: Solve for x
x = 489,317,380,754.24/789,180.84 - Step 6: Final answer
x = 620,032.01
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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.