Finding the Fourth Proportional to 531,768.96, 733,843.44 and 290,056.73
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Solution
The fourth proportional to 531,768.96, 733,843.44 and 290,056.73 is: 400,279.52
Step by Step Solution
- Step 1: Write the proportion equation
531,768.96 : 733,843.44 = 290,056.73 : x - Step 2: Convert to fraction form
531,768.96/733,843.44 = 290,056.73/x - Step 3: Cross multiply
531,768.96x = 733,843.44 × 290,056.73 - Step 4: Simplify right side
531,768.96x = 212,856,224,869.13 - Step 5: Solve for x
x = 212,856,224,869.13/531,768.96 - Step 6: Final answer
x = 400,279.52
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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.