Finding the Fourth Proportional to 593,537.44, 819,431.76 and 389,944.12
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Solution
The fourth proportional to 593,537.44, 819,431.76 and 389,944.12 is: 538,352.89
Step by Step Solution
- Step 1: Write the proportion equation
593,537.44 : 819,431.76 = 389,944.12 : x - Step 2: Convert to fraction form
593,537.44/819,431.76 = 389,944.12/x - Step 3: Cross multiply
593,537.44x = 819,431.76 × 389,944.12 - Step 4: Simplify right side
593,537.44x = 319,532,596,553.25 - Step 5: Solve for x
x = 319,532,596,553.25/593,537.44 - Step 6: Final answer
x = 538,352.89
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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.