Finding the Fourth Proportional to 990,184.19, 1,366,354.46 and 560,389.49
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Solution
The fourth proportional to 990,184.19, 1,366,354.46 and 560,389.49 is: 773,281.05
Step by Step Solution
- Step 1: Write the proportion equation
990,184.19 : 1,366,354.46 = 560,389.49 : x - Step 2: Convert to fraction form
990,184.19/1,366,354.46 = 560,389.49/x - Step 3: Cross multiply
990,184.19x = 1,366,354.46 × 560,389.49 - Step 4: Simplify right side
990,184.19x = 765,690,669,364.91 - Step 5: Solve for x
x = 765,690,669,364.91/990,184.19 - Step 6: Final answer
x = 773,281.05
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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.