Finding the Fourth Proportional to 393,566.99, 589,589.48 and 329,627.99
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Solution
The fourth proportional to 393,566.99, 589,589.48 and 329,627.99 is: 493,804.61
Step by Step Solution
- Step 1: Write the proportion equation
393,566.99 : 589,589.48 = 329,627.99 : x - Step 2: Convert to fraction form
393,566.99/589,589.48 = 329,627.99/x - Step 3: Cross multiply
393,566.99x = 589,589.48 × 329,627.99 - Step 4: Simplify right side
393,566.99x = 194,345,193,569.41 - Step 5: Solve for x
x = 194,345,193,569.41/393,566.99 - Step 6: Final answer
x = 493,804.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.