Finding the Fourth Proportional to 852,941.36, 1,279,416.84 and 354,305.84
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Solution
The fourth proportional to 852,941.36, 1,279,416.84 and 354,305.84 is: 531,460.75
Step by Step Solution
- Step 1: Write the proportion equation
852,941.36 : 1,279,416.84 = 354,305.84 : x - Step 2: Convert to fraction form
852,941.36/1,279,416.84 = 354,305.84/x - Step 3: Cross multiply
852,941.36x = 1,279,416.84 × 354,305.84 - Step 4: Simplify right side
852,941.36x = 453,304,858,206.35 - Step 5: Solve for x
x = 453,304,858,206.35/852,941.36 - Step 6: Final answer
x = 531,460.75
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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.