Finding the Fourth Proportional to 887,529.20, 1,331,293.80 and 615,903.80
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Solution
The fourth proportional to 887,529.20, 1,331,293.80 and 615,903.80 is: 923,855.70
Step by Step Solution
- Step 1: Write the proportion equation
887,529.20 : 1,331,293.80 = 615,903.80 : x - Step 2: Convert to fraction form
887,529.20/1,331,293.80 = 615,903.80/x - Step 3: Cross multiply
887,529.20x = 1,331,293.80 × 615,903.80 - Step 4: Simplify right side
887,529.20x = 819,948,910,336.44 - Step 5: Solve for x
x = 819,948,910,336.44/887,529.20 - Step 6: Final answer
x = 923,855.70
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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.