Finding the Fourth Proportional to 703,757.28, 971,186.69 and 381,465.92
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Solution
The fourth proportional to 703,757.28, 971,186.69 and 381,465.92 is: 526,423.86
Step by Step Solution
- Step 1: Write the proportion equation
703,757.28 : 971,186.69 = 381,465.92 : x - Step 2: Convert to fraction form
703,757.28/971,186.69 = 381,465.92/x - Step 3: Cross multiply
703,757.28x = 971,186.69 × 381,465.92 - Step 4: Simplify right side
703,757.28x = 370,474,627,574.24 - Step 5: Solve for x
x = 370,474,627,574.24/703,757.28 - Step 6: Final answer
x = 526,423.86
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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.