Finding the Fourth Proportional to 984,617.10, 1,476,794.40 and 274,585.68
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Solution
The fourth proportional to 984,617.10, 1,476,794.40 and 274,585.68 is: 411,841.92
Step by Step Solution
- Step 1: Write the proportion equation
984,617.10 : 1,476,794.40 = 274,585.68 : x - Step 2: Convert to fraction form
984,617.10/1,476,794.40 = 274,585.68/x - Step 3: Cross multiply
984,617.10x = 1,476,794.40 × 274,585.68 - Step 4: Simplify right side
984,617.10x = 405,506,594,544.19 - Step 5: Solve for x
x = 405,506,594,544.19/984,617.10 - Step 6: Final answer
x = 411,841.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.