Finding the Fourth Proportional to 945,451.64, 1,304,731.62 and 515,733.68
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Solution
The fourth proportional to 945,451.64, 1,304,731.62 and 515,733.68 is: 711,717.04
Step by Step Solution
- Step 1: Write the proportion equation
945,451.64 : 1,304,731.62 = 515,733.68 : x - Step 2: Convert to fraction form
945,451.64/1,304,731.62 = 515,733.68/x - Step 3: Cross multiply
945,451.64x = 1,304,731.62 × 515,733.68 - Step 4: Simplify right side
945,451.64x = 672,894,039,794.96 - Step 5: Solve for x
x = 672,894,039,794.96/945,451.64 - Step 6: Final answer
x = 711,717.04
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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.