Finding the Fourth Proportional to 582,517.44, 803,459.96 and 388,827.49
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Solution
The fourth proportional to 582,517.44, 803,459.96 and 388,827.49 is: 536,305.52
Step by Step Solution
- Step 1: Write the proportion equation
582,517.44 : 803,459.96 = 388,827.49 : x - Step 2: Convert to fraction form
582,517.44/803,459.96 = 388,827.49/x - Step 3: Cross multiply
582,517.44x = 803,459.96 × 388,827.49 - Step 4: Simplify right side
582,517.44x = 312,407,319,562.30 - Step 5: Solve for x
x = 312,407,319,562.30/582,517.44 - Step 6: Final answer
x = 536,305.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.