Finding the Fourth Proportional to 752,409.66, 1,128,651.40 and 303,069.84
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Solution
The fourth proportional to 752,409.66, 1,128,651.40 and 303,069.84 is: 454,619.63
Step by Step Solution
- Step 1: Write the proportion equation
752,409.66 : 1,128,651.40 = 303,069.84 : x - Step 2: Convert to fraction form
752,409.66/1,128,651.40 = 303,069.84/x - Step 3: Cross multiply
752,409.66x = 1,128,651.40 × 303,069.84 - Step 4: Simplify right side
752,409.66x = 342,060,199,213.78 - Step 5: Solve for x
x = 342,060,199,213.78/752,409.66 - Step 6: Final answer
x = 454,619.63
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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.