Finding the Fourth Proportional to 379,408.14, 564,883.52 and 374,109.53
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Solution
The fourth proportional to 379,408.14, 564,883.52 and 374,109.53 is: 556,994.65
Step by Step Solution
- Step 1: Write the proportion equation
379,408.14 : 564,883.52 = 374,109.53 : x - Step 2: Convert to fraction form
379,408.14/564,883.52 = 374,109.53/x - Step 3: Cross multiply
379,408.14x = 564,883.52 × 374,109.53 - Step 4: Simplify right side
379,408.14x = 211,328,303,476.98 - Step 5: Solve for x
x = 211,328,303,476.98/379,408.14 - Step 6: Final answer
x = 556,994.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.