Finding the Fourth Proportional to 809,828.07, 1,117,571.18 and 447,261.14
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Solution
The fourth proportional to 809,828.07, 1,117,571.18 and 447,261.14 is: 617,225.03
Step by Step Solution
- Step 1: Write the proportion equation
809,828.07 : 1,117,571.18 = 447,261.14 : x - Step 2: Convert to fraction form
809,828.07/1,117,571.18 = 447,261.14/x - Step 3: Cross multiply
809,828.07x = 1,117,571.18 × 447,261.14 - Step 4: Simplify right side
809,828.07x = 499,846,152,173.78 - Step 5: Solve for x
x = 499,846,152,173.78/809,828.07 - Step 6: Final answer
x = 617,225.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.