Finding the Fourth Proportional to 663,524.52, 994,426.26 and 378,777.12
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Solution
The fourth proportional to 663,524.52, 994,426.26 and 378,777.12 is: 567,674.45
Step by Step Solution
- Step 1: Write the proportion equation
663,524.52 : 994,426.26 = 378,777.12 : x - Step 2: Convert to fraction form
663,524.52/994,426.26 = 378,777.12/x - Step 3: Cross multiply
663,524.52x = 994,426.26 × 378,777.12 - Step 4: Simplify right side
663,524.52x = 376,665,914,815.17 - Step 5: Solve for x
x = 376,665,914,815.17/663,524.52 - Step 6: Final answer
x = 567,674.45
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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.