Finding the Fourth Proportional to 722,589.12, 1,083,291.57 and 273,054.24
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Solution
The fourth proportional to 722,589.12, 1,083,291.57 and 273,054.24 is: 409,357.61
Step by Step Solution
- Step 1: Write the proportion equation
722,589.12 : 1,083,291.57 = 273,054.24 : x - Step 2: Convert to fraction form
722,589.12/1,083,291.57 = 273,054.24/x - Step 3: Cross multiply
722,589.12x = 1,083,291.57 × 273,054.24 - Step 4: Simplify right side
722,589.12x = 295,797,356,344.76 - Step 5: Solve for x
x = 295,797,356,344.76/722,589.12 - Step 6: Final answer
x = 409,357.61
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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.