Finding the Fourth Proportional to 728,934.24, 1,093,394.88 and 230,298.24
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Solution
The fourth proportional to 728,934.24, 1,093,394.88 and 230,298.24 is: 345,445.31
Step by Step Solution
- Step 1: Write the proportion equation
728,934.24 : 1,093,394.88 = 230,298.24 : x - Step 2: Convert to fraction form
728,934.24/1,093,394.88 = 230,298.24/x - Step 3: Cross multiply
728,934.24x = 1,093,394.88 × 230,298.24 - Step 4: Simplify right side
728,934.24x = 251,806,916,489.01 - Step 5: Solve for x
x = 251,806,916,489.01/728,934.24 - Step 6: Final answer
x = 345,445.31
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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.