Finding the Fourth Proportional to 852,850.40, 1,279,273.08 and 347,292.32
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Solution
The fourth proportional to 852,850.40, 1,279,273.08 and 347,292.32 is: 520,937.45
Step by Step Solution
- Step 1: Write the proportion equation
852,850.40 : 1,279,273.08 = 347,292.32 : x - Step 2: Convert to fraction form
852,850.40/1,279,273.08 = 347,292.32/x - Step 3: Cross multiply
852,850.40x = 1,279,273.08 × 347,292.32 - Step 4: Simplify right side
852,850.40x = 444,281,715,866.75 - Step 5: Solve for x
x = 444,281,715,866.75/852,850.40 - Step 6: Final answer
x = 520,937.45
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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.