Finding the Fourth Proportional to 783,274.80, 1,080,837.92 and 460,965.68
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Solution
The fourth proportional to 783,274.80, 1,080,837.92 and 460,965.68 is: 636,084.79
Step by Step Solution
- Step 1: Write the proportion equation
783,274.80 : 1,080,837.92 = 460,965.68 : x - Step 2: Convert to fraction form
783,274.80/1,080,837.92 = 460,965.68/x - Step 3: Cross multiply
783,274.80x = 1,080,837.92 × 460,965.68 - Step 4: Simplify right side
783,274.80x = 498,229,186,762.59 - Step 5: Solve for x
x = 498,229,186,762.59/783,274.80 - Step 6: Final answer
x = 636,084.79
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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.