Finding the Fourth Proportional to 824,138.76, 1,236,347.11 and 284,250.63
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Solution
The fourth proportional to 824,138.76, 1,236,347.11 and 284,250.63 is: 426,423.88
Step by Step Solution
- Step 1: Write the proportion equation
824,138.76 : 1,236,347.11 = 284,250.63 : x - Step 2: Convert to fraction form
824,138.76/1,236,347.11 = 284,250.63/x - Step 3: Cross multiply
824,138.76x = 1,236,347.11 × 284,250.63 - Step 4: Simplify right side
824,138.76x = 351,432,449,907.79 - Step 5: Solve for x
x = 351,432,449,907.79/824,138.76 - Step 6: Final answer
x = 426,423.88
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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.