Finding the Fourth Proportional to 722,475.72, 996,638.49 and 446,745.42
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Solution
The fourth proportional to 722,475.72, 996,638.49 and 446,745.42 is: 616,274.94
Step by Step Solution
- Step 1: Write the proportion equation
722,475.72 : 996,638.49 = 446,745.42 : x - Step 2: Convert to fraction form
722,475.72/996,638.49 = 446,745.42/x - Step 3: Cross multiply
722,475.72x = 996,638.49 × 446,745.42 - Step 4: Simplify right side
722,475.72x = 445,243,680,803.22 - Step 5: Solve for x
x = 445,243,680,803.22/722,475.72 - Step 6: Final answer
x = 616,274.94
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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.