Finding the Fourth Proportional to 1,117,350.80, 1,676,034.72 and 318,631.68
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Solution
The fourth proportional to 1,117,350.80, 1,676,034.72 and 318,631.68 is: 477,949.95
Step by Step Solution
- Step 1: Write the proportion equation
1,117,350.80 : 1,676,034.72 = 318,631.68 : x - Step 2: Convert to fraction form
1,117,350.80/1,676,034.72 = 318,631.68/x - Step 3: Cross multiply
1,117,350.80x = 1,676,034.72 × 318,631.68 - Step 4: Simplify right side
1,117,350.80x = 534,037,758,571.93 - Step 5: Solve for x
x = 534,037,758,571.93/1,117,350.80 - Step 6: Final answer
x = 477,949.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.