Finding the Fourth Proportional to 534,793.76, 738,350.88 and 344,138.48
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Solution
The fourth proportional to 534,793.76, 738,350.88 and 344,138.48 is: 475,126.99
Step by Step Solution
- Step 1: Write the proportion equation
534,793.76 : 738,350.88 = 344,138.48 : x - Step 2: Convert to fraction form
534,793.76/738,350.88 = 344,138.48/x - Step 3: Cross multiply
534,793.76x = 738,350.88 × 344,138.48 - Step 4: Simplify right side
534,793.76x = 254,094,949,549.86 - Step 5: Solve for x
x = 254,094,949,549.86/534,793.76 - Step 6: Final answer
x = 475,126.99
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1.5x scale
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.