Finding the Fourth Proportional to 990,790.88, 1,367,408.16 and 588,382.88
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Solution
The fourth proportional to 990,790.88, 1,367,408.16 and 588,382.88 is: 812,037.70
Step by Step Solution
- Step 1: Write the proportion equation
990,790.88 : 1,367,408.16 = 588,382.88 : x - Step 2: Convert to fraction form
990,790.88/1,367,408.16 = 588,382.88/x - Step 3: Cross multiply
990,790.88x = 1,367,408.16 × 588,382.88 - Step 4: Simplify right side
990,790.88x = 804,559,551,316.30 - Step 5: Solve for x
x = 804,559,551,316.30/990,790.88 - Step 6: Final answer
x = 812,037.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.