Finding the Fourth Proportional to 482,241.36, 722,343.96 and 386,955.12
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Solution
The fourth proportional to 482,241.36, 722,343.96 and 386,955.12 is: 579,615.76
Step by Step Solution
- Step 1: Write the proportion equation
482,241.36 : 722,343.96 = 386,955.12 : x - Step 2: Convert to fraction form
482,241.36/722,343.96 = 386,955.12/x - Step 3: Cross multiply
482,241.36x = 722,343.96 × 386,955.12 - Step 4: Simplify right side
482,241.36x = 279,514,693,723.08 - Step 5: Solve for x
x = 279,514,693,723.08/482,241.36 - Step 6: Final answer
x = 579,615.76
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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.