Finding the Fourth Proportional to 746,205.20, 1,029,766.67 and 423,932.99
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Solution
The fourth proportional to 746,205.20, 1,029,766.67 and 423,932.99 is: 585,029.50
Step by Step Solution
- Step 1: Write the proportion equation
746,205.20 : 1,029,766.67 = 423,932.99 : x - Step 2: Convert to fraction form
746,205.20/1,029,766.67 = 423,932.99/x - Step 3: Cross multiply
746,205.20x = 1,029,766.67 × 423,932.99 - Step 4: Simplify right side
746,205.20x = 436,552,059,326.44 - Step 5: Solve for x
x = 436,552,059,326.44/746,205.20 - Step 6: Final answer
x = 585,029.50
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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.