Finding the Fourth Proportional to 891,722.26, 1,230,561.19 and 542,736.52
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Solution
The fourth proportional to 891,722.26, 1,230,561.19 and 542,736.52 is: 748,966.95
Step by Step Solution
- Step 1: Write the proportion equation
891,722.26 : 1,230,561.19 = 542,736.52 : x - Step 2: Convert to fraction form
891,722.26/1,230,561.19 = 542,736.52/x - Step 3: Cross multiply
891,722.26x = 1,230,561.19 × 542,736.52 - Step 4: Simplify right side
891,722.26x = 667,870,497,907.66 - Step 5: Solve for x
x = 667,870,497,907.66/891,722.26 - Step 6: Final answer
x = 748,966.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.