Finding the Fourth Proportional to 994,688.68, 1,492,474.06 and 521,261.50
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Solution
The fourth proportional to 994,688.68, 1,492,474.06 and 521,261.50 is: 782,123.37
Step by Step Solution
- Step 1: Write the proportion equation
994,688.68 : 1,492,474.06 = 521,261.50 : x - Step 2: Convert to fraction form
994,688.68/1,492,474.06 = 521,261.50/x - Step 3: Cross multiply
994,688.68x = 1,492,474.06 × 521,261.50 - Step 4: Simplify right side
994,688.68x = 777,969,267,226.69 - Step 5: Solve for x
x = 777,969,267,226.69/994,688.68 - Step 6: Final answer
x = 782,123.37
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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.