Finding the Fourth Proportional to 792,829.52, 1,189,425.84 and 343,625.84
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Solution
The fourth proportional to 792,829.52, 1,189,425.84 and 343,625.84 is: 515,517.45
Step by Step Solution
- Step 1: Write the proportion equation
792,829.52 : 1,189,425.84 = 343,625.84 : x - Step 2: Convert to fraction form
792,829.52/1,189,425.84 = 343,625.84/x - Step 3: Cross multiply
792,829.52x = 1,189,425.84 × 343,625.84 - Step 4: Simplify right side
792,829.52x = 408,717,453,387.71 - Step 5: Solve for x
x = 408,717,453,387.71/792,829.52 - Step 6: Final answer
x = 515,517.45
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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.