Finding the Fourth Proportional to 578,761.13, 798,723.55 and 324,110.09
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Solution
The fourth proportional to 578,761.13, 798,723.55 and 324,110.09 is: 447,290.51
Step by Step Solution
- Step 1: Write the proportion equation
578,761.13 : 798,723.55 = 324,110.09 : x - Step 2: Convert to fraction form
578,761.13/798,723.55 = 324,110.09/x - Step 3: Cross multiply
578,761.13x = 798,723.55 × 324,110.09 - Step 4: Simplify right side
578,761.13x = 258,874,364,077.57 - Step 5: Solve for x
x = 258,874,364,077.57/578,761.13 - Step 6: Final answer
x = 447,290.51
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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.