Finding the Fourth Proportional to 648,184.80, 894,135.60 and 379,860.96
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Solution
The fourth proportional to 648,184.80, 894,135.60 and 379,860.96 is: 523,997.49
Step by Step Solution
- Step 1: Write the proportion equation
648,184.80 : 894,135.60 = 379,860.96 : x - Step 2: Convert to fraction form
648,184.80/894,135.60 = 379,860.96/x - Step 3: Cross multiply
648,184.80x = 894,135.60 × 379,860.96 - Step 4: Simplify right side
648,184.80x = 339,647,207,386.18 - Step 5: Solve for x
x = 339,647,207,386.18/648,184.80 - Step 6: Final answer
x = 523,997.49
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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.