Finding the Fourth Proportional to 576,310.20, 864,465.30 and 310,589.70
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Solution
The fourth proportional to 576,310.20, 864,465.30 and 310,589.70 is: 465,884.55
Step by Step Solution
- Step 1: Write the proportion equation
576,310.20 : 864,465.30 = 310,589.70 : x - Step 2: Convert to fraction form
576,310.20/864,465.30 = 310,589.70/x - Step 3: Cross multiply
576,310.20x = 864,465.30 × 310,589.70 - Step 4: Simplify right side
576,310.20x = 268,494,018,187.41 - Step 5: Solve for x
x = 268,494,018,187.41/576,310.20 - Step 6: Final answer
x = 465,884.55
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1.5x scale
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.