Finding the Fourth Proportional to 990,492.98, 1,364,431.84 and 844,824.20
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Solution
The fourth proportional to 990,492.98, 1,364,431.84 and 844,824.20 is: 1,163,769.01
Step by Step Solution
- Step 1: Write the proportion equation
990,492.98 : 1,364,431.84 = 844,824.20 : x - Step 2: Convert to fraction form
990,492.98/1,364,431.84 = 844,824.20/x - Step 3: Cross multiply
990,492.98x = 1,364,431.84 × 844,824.20 - Step 4: Simplify right side
990,492.98x = 1,152,705,028,748.31 - Step 5: Solve for x
x = 1,152,705,028,748.31/990,492.98 - Step 6: Final answer
x = 1,163,769.01
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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.