Finding the Fourth Proportional to 852,563.88, 1,277,990.46 and 291,214.44
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Solution
The fourth proportional to 852,563.88, 1,277,990.46 and 291,214.44 is: 436,529.49
Step by Step Solution
- Step 1: Write the proportion equation
852,563.88 : 1,277,990.46 = 291,214.44 : x - Step 2: Convert to fraction form
852,563.88/1,277,990.46 = 291,214.44/x - Step 3: Cross multiply
852,563.88x = 1,277,990.46 × 291,214.44 - Step 4: Simplify right side
852,563.88x = 372,169,276,134.24 - Step 5: Solve for x
x = 372,169,276,134.24/852,563.88 - Step 6: Final answer
x = 436,529.49
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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.