Finding the Fourth Proportional to 739,964.13, 1,109,496.74 and 290,146.08
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Solution
The fourth proportional to 739,964.13, 1,109,496.74 and 290,146.08 is: 435,042.88
Step by Step Solution
- Step 1: Write the proportion equation
739,964.13 : 1,109,496.74 = 290,146.08 : x - Step 2: Convert to fraction form
739,964.13/1,109,496.74 = 290,146.08/x - Step 3: Cross multiply
739,964.13x = 1,109,496.74 × 290,146.08 - Step 4: Simplify right side
739,964.13x = 321,916,129,883.78 - Step 5: Solve for x
x = 321,916,129,883.78/739,964.13 - Step 6: Final answer
x = 435,042.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.