Finding the Fourth Proportional to 807,819.20, 1,211,728.80 and 246,848.88
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Solution
The fourth proportional to 807,819.20, 1,211,728.80 and 246,848.88 is: 370,273.32
Step by Step Solution
- Step 1: Write the proportion equation
807,819.20 : 1,211,728.80 = 246,848.88 : x - Step 2: Convert to fraction form
807,819.20/1,211,728.80 = 246,848.88/x - Step 3: Cross multiply
807,819.20x = 1,211,728.80 × 246,848.88 - Step 4: Simplify right side
807,819.20x = 299,113,897,143.74 - Step 5: Solve for x
x = 299,113,897,143.74/807,819.20 - Step 6: Final answer
x = 370,273.32
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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.