Finding the Fourth Proportional to 617,055.37, 851,530.12 and 345,122.62
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Solution
The fourth proportional to 617,055.37, 851,530.12 and 345,122.62 is: 476,265.69
Step by Step Solution
- Step 1: Write the proportion equation
617,055.37 : 851,530.12 = 345,122.62 : x - Step 2: Convert to fraction form
617,055.37/851,530.12 = 345,122.62/x - Step 3: Cross multiply
617,055.37x = 851,530.12 × 345,122.62 - Step 4: Simplify right side
617,055.37x = 293,882,300,040.05 - Step 5: Solve for x
x = 293,882,300,040.05/617,055.37 - Step 6: Final answer
x = 476,265.69
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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.