Finding the Fourth Proportional to 566,408.10, 847,643.85 and 389,261.10
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Solution
The fourth proportional to 566,408.10, 847,643.85 and 389,261.10 is: 582,538.95
Step by Step Solution
- Step 1: Write the proportion equation
566,408.10 : 847,643.85 = 389,261.10 : x - Step 2: Convert to fraction form
566,408.10/847,643.85 = 389,261.10/x - Step 3: Cross multiply
566,408.10x = 847,643.85 × 389,261.10 - Step 4: Simplify right side
566,408.10x = 329,954,777,459.24 - Step 5: Solve for x
x = 329,954,777,459.24/566,408.10 - Step 6: Final answer
x = 582,538.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.