Finding the Fourth Proportional to 605,414.10, 908,121.15 and 576,383.70
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Solution
The fourth proportional to 605,414.10, 908,121.15 and 576,383.70 is: 864,575.55
Step by Step Solution
- Step 1: Write the proportion equation
605,414.10 : 908,121.15 = 576,383.70 : x - Step 2: Convert to fraction form
605,414.10/908,121.15 = 576,383.70/x - Step 3: Cross multiply
605,414.10x = 908,121.15 × 576,383.70 - Step 4: Simplify right side
605,414.10x = 523,426,228,485.26 - Step 5: Solve for x
x = 523,426,228,485.26/605,414.10 - Step 6: Final answer
x = 864,575.55
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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.