Finding the Fourth Proportional to 499,335.68, 689,033.68 and 284,462.92
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Solution
The fourth proportional to 499,335.68, 689,033.68 and 284,462.92 is: 392,530.60
Step by Step Solution
- Step 1: Write the proportion equation
499,335.68 : 689,033.68 = 284,462.92 : x - Step 2: Convert to fraction form
499,335.68/689,033.68 = 284,462.92/x - Step 3: Cross multiply
499,335.68x = 689,033.68 × 284,462.92 - Step 4: Simplify right side
499,335.68x = 196,004,532,591.15 - Step 5: Solve for x
x = 196,004,532,591.15/499,335.68 - Step 6: Final answer
x = 392,530.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.