Finding the Fourth Proportional to 664,276.80, 996,415.20 and 601,291.20
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Solution
The fourth proportional to 664,276.80, 996,415.20 and 601,291.20 is: 901,936.80
Step by Step Solution
- Step 1: Write the proportion equation
664,276.80 : 996,415.20 = 601,291.20 : x - Step 2: Convert to fraction form
664,276.80/996,415.20 = 601,291.20/x - Step 3: Cross multiply
664,276.80x = 996,415.20 × 601,291.20 - Step 4: Simplify right side
664,276.80x = 599,135,691,306.24 - Step 5: Solve for x
x = 599,135,691,306.24/664,276.80 - Step 6: Final answer
x = 901,936.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.