Finding the Fourth Proportional to 552,514.58, 762,537.60 and 310,807.34
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Solution
The fourth proportional to 552,514.58, 762,537.60 and 310,807.34 is: 428,952.09
Step by Step Solution
- Step 1: Write the proportion equation
552,514.58 : 762,537.60 = 310,807.34 : x - Step 2: Convert to fraction form
552,514.58/762,537.60 = 310,807.34/x - Step 3: Cross multiply
552,514.58x = 762,537.60 × 310,807.34 - Step 4: Simplify right side
552,514.58x = 237,002,283,105.98 - Step 5: Solve for x
x = 237,002,283,105.98/552,514.58 - Step 6: Final answer
x = 428,952.09
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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.