Finding the Fourth Proportional to 995,207.44, 1,492,765.80 and 321,319.84
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Solution
The fourth proportional to 995,207.44, 1,492,765.80 and 321,319.84 is: 481,965.11
Step by Step Solution
- Step 1: Write the proportion equation
995,207.44 : 1,492,765.80 = 321,319.84 : x - Step 2: Convert to fraction form
995,207.44/1,492,765.80 = 321,319.84/x - Step 3: Cross multiply
995,207.44x = 1,492,765.80 × 321,319.84 - Step 4: Simplify right side
995,207.44x = 479,655,268,013.47 - Step 5: Solve for x
x = 479,655,268,013.47/995,207.44 - Step 6: Final answer
x = 481,965.11
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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.