Finding the Fourth Proportional to 491,927.80, 737,891.70 and 404,447.80
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Solution
The fourth proportional to 491,927.80, 737,891.70 and 404,447.80 is: 606,671.70
Step by Step Solution
- Step 1: Write the proportion equation
491,927.80 : 737,891.70 = 404,447.80 : x - Step 2: Convert to fraction form
491,927.80/737,891.70 = 404,447.80/x - Step 3: Cross multiply
491,927.80x = 737,891.70 × 404,447.80 - Step 4: Simplify right side
491,927.80x = 298,438,674,703.26 - Step 5: Solve for x
x = 298,438,674,703.26/491,927.80 - Step 6: Final answer
x = 606,671.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.