Finding the Fourth Proportional to 644,328.06, 966,823.74 and 265,528.68
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Solution
The fourth proportional to 644,328.06, 966,823.74 and 265,528.68 is: 398,429.69
Step by Step Solution
- Step 1: Write the proportion equation
644,328.06 : 966,823.74 = 265,528.68 : x - Step 2: Convert to fraction form
644,328.06/966,823.74 = 265,528.68/x - Step 3: Cross multiply
644,328.06x = 966,823.74 × 265,528.68 - Step 4: Simplify right side
644,328.06x = 256,719,431,474.86 - Step 5: Solve for x
x = 256,719,431,474.86/644,328.06 - Step 6: Final answer
x = 398,429.69
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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.