Finding the Fourth Proportional to 552,451.08, 762,450.12 and 310,743.84
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Solution
The fourth proportional to 552,451.08, 762,450.12 and 310,743.84 is: 428,864.54
Step by Step Solution
- Step 1: Write the proportion equation
552,451.08 : 762,450.12 = 310,743.84 : x - Step 2: Convert to fraction form
552,451.08/762,450.12 = 310,743.84/x - Step 3: Cross multiply
552,451.08x = 762,450.12 × 310,743.84 - Step 4: Simplify right side
552,451.08x = 236,926,678,097.26 - Step 5: Solve for x
x = 236,926,678,097.26/552,451.08 - Step 6: Final answer
x = 428,864.54
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1.5x scale
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.