Finding the Fourth Proportional to 731,978.24, 1,010,135.04 and 409,718.08
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Solution
The fourth proportional to 731,978.24, 1,010,135.04 and 409,718.08 is: 565,413.79
Step by Step Solution
- Step 1: Write the proportion equation
731,978.24 : 1,010,135.04 = 409,718.08 : x - Step 2: Convert to fraction form
731,978.24/1,010,135.04 = 409,718.08/x - Step 3: Cross multiply
731,978.24x = 1,010,135.04 × 409,718.08 - Step 4: Simplify right side
731,978.24x = 413,870,589,129.52 - Step 5: Solve for x
x = 413,870,589,129.52/731,978.24 - Step 6: Final answer
x = 565,413.79
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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.