Finding the Fourth Proportional to 617,609.40, 852,106.73 and 345,634.08
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Solution
The fourth proportional to 617,609.40, 852,106.73 and 345,634.08 is: 476,866.32
Step by Step Solution
- Step 1: Write the proportion equation
617,609.40 : 852,106.73 = 345,634.08 : x - Step 2: Convert to fraction form
617,609.40/852,106.73 = 345,634.08/x - Step 3: Cross multiply
617,609.40x = 852,106.73 × 345,634.08 - Step 4: Simplify right side
617,609.40x = 294,517,123,957.19 - Step 5: Solve for x
x = 294,517,123,957.19/617,609.40 - Step 6: Final answer
x = 476,866.32
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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.