Finding the Fourth Proportional to 703,961.27, 971,394.64 and 432,040.62
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Solution
The fourth proportional to 703,961.27, 971,394.64 and 432,040.62 is: 596,171.92
Step by Step Solution
- Step 1: Write the proportion equation
703,961.27 : 971,394.64 = 432,040.62 : x - Step 2: Convert to fraction form
703,961.27/971,394.64 = 432,040.62/x - Step 3: Cross multiply
703,961.27x = 971,394.64 × 432,040.62 - Step 4: Simplify right side
703,961.27x = 419,681,942,530.28 - Step 5: Solve for x
x = 419,681,942,530.28/703,961.27 - Step 6: Final answer
x = 596,171.92
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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.