Finding the Fourth Proportional to 655,382.24, 904,455.55 and 364,993.80
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Solution
The fourth proportional to 655,382.24, 904,455.55 and 364,993.80 is: 503,707.07
Step by Step Solution
- Step 1: Write the proportion equation
655,382.24 : 904,455.55 = 364,993.80 : x - Step 2: Convert to fraction form
655,382.24/904,455.55 = 364,993.80/x - Step 3: Cross multiply
655,382.24x = 904,455.55 × 364,993.80 - Step 4: Simplify right side
655,382.24x = 330,120,670,842.97 - Step 5: Solve for x
x = 330,120,670,842.97/655,382.24 - Step 6: Final answer
x = 503,707.07
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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.