Finding the Fourth Proportional to 996,408.12, 1,494,862.50 and 286,437.44
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Solution
The fourth proportional to 996,408.12, 1,494,862.50 and 286,437.44 is: 429,728.12
Step by Step Solution
- Step 1: Write the proportion equation
996,408.12 : 1,494,862.50 = 286,437.44 : x - Step 2: Convert to fraction form
996,408.12/1,494,862.50 = 286,437.44/x - Step 3: Cross multiply
996,408.12x = 1,494,862.50 × 286,437.44 - Step 4: Simplify right side
996,408.12x = 428,184,587,652 - Step 5: Solve for x
x = 428,184,587,652/996,408.12 - Step 6: Final answer
x = 429,728.12
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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.