Finding the Fourth Proportional to 722,082.08, 996,488.37 and 395,408.88
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Solution
The fourth proportional to 722,082.08, 996,488.37 and 395,408.88 is: 545,672.53
Step by Step Solution
- Step 1: Write the proportion equation
722,082.08 : 996,488.37 = 395,408.88 : x - Step 2: Convert to fraction form
722,082.08/996,488.37 = 395,408.88/x - Step 3: Cross multiply
722,082.08x = 996,488.37 × 395,408.88 - Step 4: Simplify right side
722,082.08x = 394,020,350,314.73 - Step 5: Solve for x
x = 394,020,350,314.73/722,082.08 - Step 6: Final answer
x = 545,672.53
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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.