Finding the Fourth Proportional to 519,524.28, 716,679.36 and 315,520.92
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Solution
The fourth proportional to 519,524.28, 716,679.36 and 315,520.92 is: 435,258.45
Step by Step Solution
- Step 1: Write the proportion equation
519,524.28 : 716,679.36 = 315,520.92 : x - Step 2: Convert to fraction form
519,524.28/716,679.36 = 315,520.92/x - Step 3: Cross multiply
519,524.28x = 716,679.36 × 315,520.92 - Step 4: Simplify right side
519,524.28x = 226,127,331,012.21 - Step 5: Solve for x
x = 226,127,331,012.21/519,524.28 - Step 6: Final answer
x = 435,258.45
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1.5x scale
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.