Finding the Fourth Proportional to 860,049.97, 1,186,891.79 and 472,881.71
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Solution
The fourth proportional to 860,049.97, 1,186,891.79 and 472,881.71 is: 652,589.32
Step by Step Solution
- Step 1: Write the proportion equation
860,049.97 : 1,186,891.79 = 472,881.71 : x - Step 2: Convert to fraction form
860,049.97/1,186,891.79 = 472,881.71/x - Step 3: Cross multiply
860,049.97x = 1,186,891.79 × 472,881.71 - Step 4: Simplify right side
860,049.97x = 561,259,419,842.98 - Step 5: Solve for x
x = 561,259,419,842.98/860,049.97 - Step 6: Final answer
x = 652,589.32
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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.