Finding the Fourth Proportional to 648,408.84, 894,775.37 and 361,922.37
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Solution
The fourth proportional to 648,408.84, 894,775.37 and 361,922.37 is: 499,436.78
Step by Step Solution
- Step 1: Write the proportion equation
648,408.84 : 894,775.37 = 361,922.37 : x - Step 2: Convert to fraction form
648,408.84/894,775.37 = 361,922.37/x - Step 3: Cross multiply
648,408.84x = 894,775.37 × 361,922.37 - Step 4: Simplify right side
648,408.84x = 323,839,222,528.03 - Step 5: Solve for x
x = 323,839,222,528.03/648,408.84 - Step 6: Final answer
x = 499,436.78
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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.