Finding the Fourth Proportional to 776,321.84, 1,164,592.11 and 270,809.09
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Solution
The fourth proportional to 776,321.84, 1,164,592.11 and 270,809.09 is: 406,251.78
Step by Step Solution
- Step 1: Write the proportion equation
776,321.84 : 1,164,592.11 = 270,809.09 : x - Step 2: Convert to fraction form
776,321.84/1,164,592.11 = 270,809.09/x - Step 3: Cross multiply
776,321.84x = 1,164,592.11 × 270,809.09 - Step 4: Simplify right side
776,321.84x = 315,382,129,530.28 - Step 5: Solve for x
x = 315,382,129,530.28/776,321.84 - Step 6: Final answer
x = 406,251.78
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1.5x scale
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.