Finding the Fourth Proportional to 887,961.12, 1,331,934.36 and 382,879.12
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Solution
The fourth proportional to 887,961.12, 1,331,934.36 and 382,879.12 is: 574,315.52
Step by Step Solution
- Step 1: Write the proportion equation
887,961.12 : 1,331,934.36 = 382,879.12 : x - Step 2: Convert to fraction form
887,961.12/1,331,934.36 = 382,879.12/x - Step 3: Cross multiply
887,961.12x = 1,331,934.36 × 382,879.12 - Step 4: Simplify right side
887,961.12x = 509,969,855,654.56 - Step 5: Solve for x
x = 509,969,855,654.56/887,961.12 - Step 6: Final answer
x = 574,315.52
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1.5x scale
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.