Finding the Fourth Proportional to 398,521.91, 595,242.99 and 360,512.70
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Solution
The fourth proportional to 398,521.91, 595,242.99 and 360,512.70 is: 538,471.42
Step by Step Solution
- Step 1: Write the proportion equation
398,521.91 : 595,242.99 = 360,512.70 : x - Step 2: Convert to fraction form
398,521.91/595,242.99 = 360,512.70/x - Step 3: Cross multiply
398,521.91x = 595,242.99 × 360,512.70 - Step 4: Simplify right side
398,521.91x = 214,592,657,480.97 - Step 5: Solve for x
x = 214,592,657,480.97/398,521.91 - Step 6: Final answer
x = 538,471.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.