Finding the Fourth Proportional to 887,671.97, 1,331,517.68 and 256,591.25
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Solution
The fourth proportional to 887,671.97, 1,331,517.68 and 256,591.25 is: 384,889.69
Step by Step Solution
- Step 1: Write the proportion equation
887,671.97 : 1,331,517.68 = 256,591.25 : x - Step 2: Convert to fraction form
887,671.97/1,331,517.68 = 256,591.25/x - Step 3: Cross multiply
887,671.97x = 1,331,517.68 × 256,591.25 - Step 4: Simplify right side
887,671.97x = 341,655,785,908.30 - Step 5: Solve for x
x = 341,655,785,908.30/887,671.97 - Step 6: Final answer
x = 384,889.69
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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.