Finding the Fourth Proportional to 634,755.24, 875,165.20 and 464,694.12
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Solution
The fourth proportional to 634,755.24, 875,165.20 and 464,694.12 is: 640,694.39
Step by Step Solution
- Step 1: Write the proportion equation
634,755.24 : 875,165.20 = 464,694.12 : x - Step 2: Convert to fraction form
634,755.24/875,165.20 = 464,694.12/x - Step 3: Cross multiply
634,755.24x = 875,165.20 × 464,694.12 - Step 4: Simplify right side
634,755.24x = 406,684,122,468.62 - Step 5: Solve for x
x = 406,684,122,468.62/634,755.24 - Step 6: Final answer
x = 640,694.39
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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.