Finding the Fourth Proportional to 901,942.40, 1,244,679.68 and 499,534.08
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Solution
The fourth proportional to 901,942.40, 1,244,679.68 and 499,534.08 is: 689,356.57
Step by Step Solution
- Step 1: Write the proportion equation
901,942.40 : 1,244,679.68 = 499,534.08 : x - Step 2: Convert to fraction form
901,942.40/1,244,679.68 = 499,534.08/x - Step 3: Cross multiply
901,942.40x = 1,244,679.68 × 499,534.08 - Step 4: Simplify right side
901,942.40x = 621,759,918,843.49 - Step 5: Solve for x
x = 621,759,918,843.49/901,942.40 - Step 6: Final answer
x = 689,356.57
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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.