Finding the Fourth Proportional to 838,203.42, 1,156,745.70 and 516,099.36
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Solution
The fourth proportional to 838,203.42, 1,156,745.70 and 516,099.36 is: 712,232.50
Step by Step Solution
- Step 1: Write the proportion equation
838,203.42 : 1,156,745.70 = 516,099.36 : x - Step 2: Convert to fraction form
838,203.42/1,156,745.70 = 516,099.36/x - Step 3: Cross multiply
838,203.42x = 1,156,745.70 × 516,099.36 - Step 4: Simplify right side
838,203.42x = 596,995,715,452.75 - Step 5: Solve for x
x = 596,995,715,452.75/838,203.42 - Step 6: Final answer
x = 712,232.50
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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.