Finding the Fourth Proportional to 750,914.73, 1,036,263.36 and 406,754.41
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Solution
The fourth proportional to 750,914.73, 1,036,263.36 and 406,754.41 is: 561,321.65
Step by Step Solution
- Step 1: Write the proportion equation
750,914.73 : 1,036,263.36 = 406,754.41 : x - Step 2: Convert to fraction form
750,914.73/1,036,263.36 = 406,754.41/x - Step 3: Cross multiply
750,914.73x = 1,036,263.36 × 406,754.41 - Step 4: Simplify right side
750,914.73x = 421,504,691,601.42 - Step 5: Solve for x
x = 421,504,691,601.42/750,914.73 - Step 6: Final answer
x = 561,321.65
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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.