Finding the Fourth Proportional to 788,964.63, 1,088,514.84 and 482,721.76
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Solution
The fourth proportional to 788,964.63, 1,088,514.84 and 482,721.76 is: 665,999.18
Step by Step Solution
- Step 1: Write the proportion equation
788,964.63 : 1,088,514.84 = 482,721.76 : x - Step 2: Convert to fraction form
788,964.63/1,088,514.84 = 482,721.76/x - Step 3: Cross multiply
788,964.63x = 1,088,514.84 × 482,721.76 - Step 4: Simplify right side
788,964.63x = 525,449,799,350.92 - Step 5: Solve for x
x = 525,449,799,350.92/788,964.63 - Step 6: Final answer
x = 665,999.18
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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.