Finding the Fourth Proportional to 667,115.74, 920,618.51 and 361,192.08
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Solution
The fourth proportional to 667,115.74, 920,618.51 and 361,192.08 is: 498,444.41
Step by Step Solution
- Step 1: Write the proportion equation
667,115.74 : 920,618.51 = 361,192.08 : x - Step 2: Convert to fraction form
667,115.74/920,618.51 = 361,192.08/x - Step 3: Cross multiply
667,115.74x = 920,618.51 × 361,192.08 - Step 4: Simplify right side
667,115.74x = 332,520,112,707.44 - Step 5: Solve for x
x = 332,520,112,707.44/667,115.74 - Step 6: Final answer
x = 498,444.41
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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.