Finding the Fourth Proportional to 994,780.44, 1,492,611.30 and 521,353.08
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Solution
The fourth proportional to 994,780.44, 1,492,611.30 and 521,353.08 is: 782,260.55
Step by Step Solution
- Step 1: Write the proportion equation
994,780.44 : 1,492,611.30 = 521,353.08 : x - Step 2: Convert to fraction form
994,780.44/1,492,611.30 = 521,353.08/x - Step 3: Cross multiply
994,780.44x = 1,492,611.30 × 521,353.08 - Step 4: Simplify right side
994,780.44x = 778,177,498,497.80 - Step 5: Solve for x
x = 778,177,498,497.80/994,780.44 - Step 6: Final answer
x = 782,260.55
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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.