Finding the Fourth Proportional to 834,486.96, 1,251,828.18 and 265,668.84
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Solution
The fourth proportional to 834,486.96, 1,251,828.18 and 265,668.84 is: 398,534.38
Step by Step Solution
- Step 1: Write the proportion equation
834,486.96 : 1,251,828.18 = 265,668.84 : x - Step 2: Convert to fraction form
834,486.96/1,251,828.18 = 265,668.84/x - Step 3: Cross multiply
834,486.96x = 1,251,828.18 × 265,668.84 - Step 4: Simplify right side
834,486.96x = 332,571,740,459.91 - Step 5: Solve for x
x = 332,571,740,459.91/834,486.96 - Step 6: Final answer
x = 398,534.38
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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.