Finding the Fourth Proportional to 588,382.12, 811,941.64 and 326,721.20
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Solution
The fourth proportional to 588,382.12, 811,941.64 and 326,721.20 is: 450,860.99
Step by Step Solution
- Step 1: Write the proportion equation
588,382.12 : 811,941.64 = 326,721.20 : x - Step 2: Convert to fraction form
588,382.12/811,941.64 = 326,721.20/x - Step 3: Cross multiply
588,382.12x = 811,941.64 × 326,721.20 - Step 4: Simplify right side
588,382.12x = 265,278,546,950.77 - Step 5: Solve for x
x = 265,278,546,950.77/588,382.12 - Step 6: Final answer
x = 450,860.99
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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.