Finding the Fourth Proportional to 519,193.44, 716,811.30 and 398,102.10
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Solution
The fourth proportional to 519,193.44, 716,811.30 and 398,102.10 is: 549,629.60
Step by Step Solution
- Step 1: Write the proportion equation
519,193.44 : 716,811.30 = 398,102.10 : x - Step 2: Convert to fraction form
519,193.44/716,811.30 = 398,102.10/x - Step 3: Cross multiply
519,193.44x = 716,811.30 × 398,102.10 - Step 4: Simplify right side
519,193.44x = 285,364,083,833.73 - Step 5: Solve for x
x = 285,364,083,833.73/519,193.44 - Step 6: Final answer
x = 549,629.60
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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.