Finding the Fourth Proportional to 667,226.18, 999,880.92 and 379,266.63
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Solution
The fourth proportional to 667,226.18, 999,880.92 and 379,266.63 is: 568,355.20
Step by Step Solution
- Step 1: Write the proportion equation
667,226.18 : 999,880.92 = 379,266.63 : x - Step 2: Convert to fraction form
667,226.18/999,880.92 = 379,266.63/x - Step 3: Cross multiply
667,226.18x = 999,880.92 × 379,266.63 - Step 4: Simplify right side
667,226.18x = 379,221,466,929.70 - Step 5: Solve for x
x = 379,221,466,929.70/667,226.18 - Step 6: Final answer
x = 568,355.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.