Finding the Fourth Proportional to 480,574.24, 724,105.39 and 398,168.08
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Solution
The fourth proportional to 480,574.24, 724,105.39 and 398,168.08 is: 599,939.88
Step by Step Solution
- Step 1: Write the proportion equation
480,574.24 : 724,105.39 = 398,168.08 : x - Step 2: Convert to fraction form
480,574.24/724,105.39 = 398,168.08/x - Step 3: Cross multiply
480,574.24x = 724,105.39 × 398,168.08 - Step 4: Simplify right side
480,574.24x = 288,315,652,853.95 - Step 5: Solve for x
x = 288,315,652,853.95/480,574.24 - Step 6: Final answer
x = 599,939.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.