Finding the Fourth Proportional to 679,674.99, 1,019,446.66 and 206,364.45
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Solution
The fourth proportional to 679,674.99, 1,019,446.66 and 206,364.45 is: 309,526.69
Step by Step Solution
- Step 1: Write the proportion equation
679,674.99 : 1,019,446.66 = 206,364.45 : x - Step 2: Convert to fraction form
679,674.99/1,019,446.66 = 206,364.45/x - Step 3: Cross multiply
679,674.99x = 1,019,446.66 × 206,364.45 - Step 4: Simplify right side
679,674.99x = 210,377,549,295.24 - Step 5: Solve for x
x = 210,377,549,295.24/679,674.99 - Step 6: Final answer
x = 309,526.69
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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.