Finding the Fourth Proportional to 453,903.84, 681,458.88 and 387,768.96
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Solution
The fourth proportional to 453,903.84, 681,458.88 and 387,768.96 is: 582,168.68
Step by Step Solution
- Step 1: Write the proportion equation
453,903.84 : 681,458.88 = 387,768.96 : x - Step 2: Convert to fraction form
453,903.84/681,458.88 = 387,768.96/x - Step 3: Cross multiply
453,903.84x = 681,458.88 × 387,768.96 - Step 4: Simplify right side
453,903.84x = 264,248,601,180.37 - Step 5: Solve for x
x = 264,248,601,180.37/453,903.84 - Step 6: Final answer
x = 582,168.68
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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.