Finding the Fourth Proportional to 888,236.10, 1,330,385.85 and 730,772.10
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Solution
The fourth proportional to 888,236.10, 1,330,385.85 and 730,772.10 is: 1,094,538.78
Step by Step Solution
- Step 1: Write the proportion equation
888,236.10 : 1,330,385.85 = 730,772.10 : x - Step 2: Convert to fraction form
888,236.10/1,330,385.85 = 730,772.10/x - Step 3: Cross multiply
888,236.10x = 1,330,385.85 × 730,772.10 - Step 4: Simplify right side
888,236.10x = 972,208,861,414.79 - Step 5: Solve for x
x = 972,208,861,414.79/888,236.10 - Step 6: Final answer
x = 1,094,538.78
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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.