Finding the Fourth Proportional to 719,166.84, 992,474.04 and 392,497.72
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Solution
The fourth proportional to 719,166.84, 992,474.04 and 392,497.72 is: 541,659.84
Step by Step Solution
- Step 1: Write the proportion equation
719,166.84 : 992,474.04 = 392,497.72 : x - Step 2: Convert to fraction form
719,166.84/992,474.04 = 392,497.72/x - Step 3: Cross multiply
719,166.84x = 992,474.04 × 392,497.72 - Step 4: Simplify right side
719,166.84x = 389,543,797,859.19 - Step 5: Solve for x
x = 389,543,797,859.19/719,166.84 - Step 6: Final answer
x = 541,659.84
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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.