Finding the Fourth Proportional to 681,515.53, 940,497.84 and 375,602.92
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Solution
The fourth proportional to 681,515.53, 940,497.84 and 375,602.92 is: 518,335.56
Step by Step Solution
- Step 1: Write the proportion equation
681,515.53 : 940,497.84 = 375,602.92 : x - Step 2: Convert to fraction form
681,515.53/940,497.84 = 375,602.92/x - Step 3: Cross multiply
681,515.53x = 940,497.84 × 375,602.92 - Step 4: Simplify right side
681,515.53x = 353,253,734,957.69 - Step 5: Solve for x
x = 353,253,734,957.69/681,515.53 - Step 6: Final answer
x = 518,335.56
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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.