Finding the Fourth Proportional to 617,431.62, 852,026.67 and 345,534.06
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Solution
The fourth proportional to 617,431.62, 852,026.67 and 345,534.06 is: 476,820.79
Step by Step Solution
- Step 1: Write the proportion equation
617,431.62 : 852,026.67 = 345,534.06 : x - Step 2: Convert to fraction form
617,431.62/852,026.67 = 345,534.06/x - Step 3: Cross multiply
617,431.62x = 852,026.67 × 345,534.06 - Step 4: Simplify right side
617,431.62x = 294,404,234,513.38 - Step 5: Solve for x
x = 294,404,234,513.38/617,431.62 - Step 6: Final answer
x = 476,820.79
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1.5x scale
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.