Finding the Fourth Proportional to 760,799.97, 1,141,276.14 and 281,153.70
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Solution
The fourth proportional to 760,799.97, 1,141,276.14 and 281,153.70 is: 421,758.70
Step by Step Solution
- Step 1: Write the proportion equation
760,799.97 : 1,141,276.14 = 281,153.70 : x - Step 2: Convert to fraction form
760,799.97/1,141,276.14 = 281,153.70/x - Step 3: Cross multiply
760,799.97x = 1,141,276.14 × 281,153.70 - Step 4: Simplify right side
760,799.97x = 320,874,009,482.72 - Step 5: Solve for x
x = 320,874,009,482.72/760,799.97 - Step 6: Final answer
x = 421,758.70
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1.5x scale
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.