Finding the Fourth Proportional to 852,202.76, 1,278,254 and 319,679.20
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Solution
The fourth proportional to 852,202.76, 1,278,254 and 319,679.20 is: 479,499.99
Step by Step Solution
- Step 1: Write the proportion equation
852,202.76 : 1,278,254 = 319,679.20 : x - Step 2: Convert to fraction form
852,202.76/1,278,254 = 319,679.20/x - Step 3: Cross multiply
852,202.76x = 1,278,254 × 319,679.20 - Step 4: Simplify right side
852,202.76x = 408,631,216,116.80 - Step 5: Solve for x
x = 408,631,216,116.80/852,202.76 - Step 6: Final answer
x = 479,499.99
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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.