Finding the Fourth Proportional to 552,424.44, 762,338.39 and 310,707.02
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Solution
The fourth proportional to 552,424.44, 762,338.39 and 310,707.02 is: 428,771.56
Step by Step Solution
- Step 1: Write the proportion equation
552,424.44 : 762,338.39 = 310,707.02 : x - Step 2: Convert to fraction form
552,424.44/762,338.39 = 310,707.02/x - Step 3: Cross multiply
552,424.44x = 762,338.39 × 310,707.02 - Step 4: Simplify right side
552,424.44x = 236,863,889,740.81 - Step 5: Solve for x
x = 236,863,889,740.81/552,424.44 - Step 6: Final answer
x = 428,771.56
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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.