Finding the Fourth Proportional to 398,752.43, 596,310.44 and 297,621.81
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Solution
The fourth proportional to 398,752.43, 596,310.44 and 297,621.81 is: 445,075.64
Step by Step Solution
- Step 1: Write the proportion equation
398,752.43 : 596,310.44 = 297,621.81 : x - Step 2: Convert to fraction form
398,752.43/596,310.44 = 297,621.81/x - Step 3: Cross multiply
398,752.43x = 596,310.44 × 297,621.81 - Step 4: Simplify right side
398,752.43x = 177,474,990,986.59 - Step 5: Solve for x
x = 177,474,990,986.59/398,752.43 - Step 6: Final answer
x = 445,075.64
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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.