Finding the Fourth Proportional to 617,551.80, 852,236.62 and 345,617.56
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Solution
The fourth proportional to 617,551.80, 852,236.62 and 345,617.56 is: 476,960.70
Step by Step Solution
- Step 1: Write the proportion equation
617,551.80 : 852,236.62 = 345,617.56 : x - Step 2: Convert to fraction form
617,551.80/852,236.62 = 345,617.56/x - Step 3: Cross multiply
617,551.80x = 852,236.62 × 345,617.56 - Step 4: Simplify right side
617,551.80x = 294,547,941,147.05 - Step 5: Solve for x
x = 294,547,941,147.05/617,551.80 - Step 6: Final answer
x = 476,960.70
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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.