Finding the Fourth Proportional to 984,201.80, 1,476,302.70 and 859,785.80
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Solution
The fourth proportional to 984,201.80, 1,476,302.70 and 859,785.80 is: 1,289,678.70
Step by Step Solution
- Step 1: Write the proportion equation
984,201.80 : 1,476,302.70 = 859,785.80 : x - Step 2: Convert to fraction form
984,201.80/1,476,302.70 = 859,785.80/x - Step 3: Cross multiply
984,201.80x = 1,476,302.70 × 859,785.80 - Step 4: Simplify right side
984,201.80x = 1,269,304,097,961.66 - Step 5: Solve for x
x = 1,269,304,097,961.66/984,201.80 - Step 6: Final answer
x = 1,289,678.70
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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.