Finding the Fourth Proportional to 583,245.38, 805,104.34 and 455,961.98
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Solution
The fourth proportional to 583,245.38, 805,104.34 and 455,961.98 is: 629,403.99
Step by Step Solution
- Step 1: Write the proportion equation
583,245.38 : 805,104.34 = 455,961.98 : x - Step 2: Convert to fraction form
583,245.38/805,104.34 = 455,961.98/x - Step 3: Cross multiply
583,245.38x = 805,104.34 × 455,961.98 - Step 4: Simplify right side
583,245.38x = 367,096,969,845.85 - Step 5: Solve for x
x = 367,096,969,845.85/583,245.38 - Step 6: Final answer
x = 629,403.99
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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.