Finding the Fourth Proportional to 755,824.92, 1,043,156.84 and 445,761.58
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Solution
The fourth proportional to 755,824.92, 1,043,156.84 and 445,761.58 is: 615,220.84
Step by Step Solution
- Step 1: Write the proportion equation
755,824.92 : 1,043,156.84 = 445,761.58 : x - Step 2: Convert to fraction form
755,824.92/1,043,156.84 = 445,761.58/x - Step 3: Cross multiply
755,824.92x = 1,043,156.84 × 445,761.58 - Step 4: Simplify right side
755,824.92x = 464,999,241,186.21 - Step 5: Solve for x
x = 464,999,241,186.21/755,824.92 - Step 6: Final answer
x = 615,220.84
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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.