Finding the Fourth Proportional to 739,476.63, 1,109,214.99 and 240,840.63
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Solution
The fourth proportional to 739,476.63, 1,109,214.99 and 240,840.63 is: 361,260.96
Step by Step Solution
- Step 1: Write the proportion equation
739,476.63 : 1,109,214.99 = 240,840.63 : x - Step 2: Convert to fraction form
739,476.63/1,109,214.99 = 240,840.63/x - Step 3: Cross multiply
739,476.63x = 1,109,214.99 × 240,840.63 - Step 4: Simplify right side
739,476.63x = 267,144,036,997.04 - Step 5: Solve for x
x = 267,144,036,997.04/739,476.63 - Step 6: Final answer
x = 361,260.96
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Double scale
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Similar ratio
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1.5x scale
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.