Finding the Fourth Proportional to 617,616.08, 852,314.43 and 345,709.14
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Solution
The fourth proportional to 617,616.08, 852,314.43 and 345,709.14 is: 477,080.99
Step by Step Solution
- Step 1: Write the proportion equation
617,616.08 : 852,314.43 = 345,709.14 : x - Step 2: Convert to fraction form
617,616.08/852,314.43 = 345,709.14/x - Step 3: Cross multiply
617,616.08x = 852,314.43 × 345,709.14 - Step 4: Simplify right side
617,616.08x = 294,652,888,604.89 - Step 5: Solve for x
x = 294,652,888,604.89/617,616.08 - Step 6: Final answer
x = 477,080.99
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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.