Finding the Fourth Proportional to 793,102.58, 1,189,245.63 and 319,660.82
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Solution
The fourth proportional to 793,102.58, 1,189,245.63 and 319,660.82 is: 479,326.69
Step by Step Solution
- Step 1: Write the proportion equation
793,102.58 : 1,189,245.63 = 319,660.82 : x - Step 2: Convert to fraction form
793,102.58/1,189,245.63 = 319,660.82/x - Step 3: Cross multiply
793,102.58x = 1,189,245.63 × 319,660.82 - Step 4: Simplify right side
793,102.58x = 380,155,233,267.22 - Step 5: Solve for x
x = 380,155,233,267.22/793,102.58 - Step 6: Final answer
x = 479,326.69
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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.