Finding the Fourth Proportional to 750,824.06, 1,036,138.46 and 406,660.73
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Solution
The fourth proportional to 750,824.06, 1,036,138.46 and 406,660.73 is: 561,192.48
Step by Step Solution
- Step 1: Write the proportion equation
750,824.06 : 1,036,138.46 = 406,660.73 : x - Step 2: Convert to fraction form
750,824.06/1,036,138.46 = 406,660.73/x - Step 3: Cross multiply
750,824.06x = 1,036,138.46 × 406,660.73 - Step 4: Simplify right side
750,824.06x = 421,356,815,310.68 - Step 5: Solve for x
x = 421,356,815,310.68/750,824.06 - Step 6: Final answer
x = 561,192.48
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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.