Finding the Fourth Proportional to 663,037.80, 994,556.70 and 331,261.80
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Solution
The fourth proportional to 663,037.80, 994,556.70 and 331,261.80 is: 496,892.70
Step by Step Solution
- Step 1: Write the proportion equation
663,037.80 : 994,556.70 = 331,261.80 : x - Step 2: Convert to fraction form
663,037.80/994,556.70 = 331,261.80/x - Step 3: Cross multiply
663,037.80x = 994,556.70 × 331,261.80 - Step 4: Simplify right side
663,037.80x = 329,458,642,644.06 - Step 5: Solve for x
x = 329,458,642,644.06/663,037.80 - Step 6: Final answer
x = 496,892.70
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Similar ratio
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1.5x scale
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.