Finding the Fourth Proportional to 920,206.18, 1,269,589.17 and 557,514.10
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Solution
The fourth proportional to 920,206.18, 1,269,589.17 and 557,514.10 is: 769,190.51
Step by Step Solution
- Step 1: Write the proportion equation
920,206.18 : 1,269,589.17 = 557,514.10 : x - Step 2: Convert to fraction form
920,206.18/1,269,589.17 = 557,514.10/x - Step 3: Cross multiply
920,206.18x = 1,269,589.17 × 557,514.10 - Step 4: Simplify right side
920,206.18x = 707,813,863,482.30 - Step 5: Solve for x
x = 707,813,863,482.30/920,206.18 - Step 6: Final answer
x = 769,190.51
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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.