Finding the Fourth Proportional to 556,837.88, 768,039.26 and 511,045.08
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Solution
The fourth proportional to 556,837.88, 768,039.26 and 511,045.08 is: 704,877.85
Step by Step Solution
- Step 1: Write the proportion equation
556,837.88 : 768,039.26 = 511,045.08 : x - Step 2: Convert to fraction form
556,837.88/768,039.26 = 511,045.08/x - Step 3: Cross multiply
556,837.88x = 768,039.26 × 511,045.08 - Step 4: Simplify right side
556,837.88x = 392,502,682,514.62 - Step 5: Solve for x
x = 392,502,682,514.62/556,837.88 - Step 6: Final answer
x = 704,877.85
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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.