Finding the Fourth Proportional to 618,961.24, 854,318.44 and 377,377.01
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Solution
The fourth proportional to 618,961.24, 854,318.44 and 377,377.01 is: 520,872.90
Step by Step Solution
- Step 1: Write the proportion equation
618,961.24 : 854,318.44 = 377,377.01 : x - Step 2: Convert to fraction form
618,961.24/854,318.44 = 377,377.01/x - Step 3: Cross multiply
618,961.24x = 854,318.44 × 377,377.01 - Step 4: Simplify right side
618,961.24x = 322,400,138,475.06 - Step 5: Solve for x
x = 322,400,138,475.06/618,961.24 - Step 6: Final answer
x = 520,872.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.