Finding the Fourth Proportional to 683,909.36, 943,912.11 and 397,595.52
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Solution
The fourth proportional to 683,909.36, 943,912.11 and 397,595.52 is: 548,749.95
Step by Step Solution
- Step 1: Write the proportion equation
683,909.36 : 943,912.11 = 397,595.52 : x - Step 2: Convert to fraction form
683,909.36/943,912.11 = 397,595.52/x - Step 3: Cross multiply
683,909.36x = 943,912.11 × 397,595.52 - Step 4: Simplify right side
683,909.36x = 375,295,226,582.49 - Step 5: Solve for x
x = 375,295,226,582.49/683,909.36 - Step 6: Final answer
x = 548,749.95
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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.