Finding the Fourth Proportional to 739,207.59, 1,109,234.21 and 289,968.63
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Solution
The fourth proportional to 739,207.59, 1,109,234.21 and 289,968.63 is: 435,118.80
Step by Step Solution
- Step 1: Write the proportion equation
739,207.59 : 1,109,234.21 = 289,968.63 : x - Step 2: Convert to fraction form
739,207.59/1,109,234.21 = 289,968.63/x - Step 3: Cross multiply
739,207.59x = 1,109,234.21 × 289,968.63 - Step 4: Simplify right side
739,207.59x = 321,643,122,772.99 - Step 5: Solve for x
x = 321,643,122,772.99/739,207.59 - Step 6: Final answer
x = 435,118.80
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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.