Finding the Fourth Proportional to 449,773.84, 620,774.48 and 288,832.24
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Solution
The fourth proportional to 449,773.84, 620,774.48 and 288,832.24 is: 398,644.09
Step by Step Solution
- Step 1: Write the proportion equation
449,773.84 : 620,774.48 = 288,832.24 : x - Step 2: Convert to fraction form
449,773.84/620,774.48 = 288,832.24/x - Step 3: Cross multiply
449,773.84x = 620,774.48 × 288,832.24 - Step 4: Simplify right side
449,773.84x = 179,299,683,593.24 - Step 5: Solve for x
x = 179,299,683,593.24/449,773.84 - Step 6: Final answer
x = 398,644.09
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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.