Finding the Fourth Proportional to 800,790.63, 1,105,091.11 and 438,214.49
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Solution
The fourth proportional to 800,790.63, 1,105,091.11 and 438,214.49 is: 604,736.02
Step by Step Solution
- Step 1: Write the proportion equation
800,790.63 : 1,105,091.11 = 438,214.49 : x - Step 2: Convert to fraction form
800,790.63/1,105,091.11 = 438,214.49/x - Step 3: Cross multiply
800,790.63x = 1,105,091.11 × 438,214.49 - Step 4: Simplify right side
800,790.63x = 484,266,937,172.18 - Step 5: Solve for x
x = 484,266,937,172.18/800,790.63 - Step 6: Final answer
x = 604,736.02
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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.