Finding the Fourth Proportional to 574,720.52, 793,138.92 and 320,071.70
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Solution
The fourth proportional to 574,720.52, 793,138.92 and 320,071.70 is: 441,712.65
Step by Step Solution
- Step 1: Write the proportion equation
574,720.52 : 793,138.92 = 320,071.70 : x - Step 2: Convert to fraction form
574,720.52/793,138.92 = 320,071.70/x - Step 3: Cross multiply
574,720.52x = 793,138.92 × 320,071.70 - Step 4: Simplify right side
574,720.52x = 253,861,320,860.21 - Step 5: Solve for x
x = 253,861,320,860.21/574,720.52 - Step 6: Final answer
x = 441,712.65
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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.