Finding the Fourth Proportional to 529,858.80, 731,369.52 and 325,972.08
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Solution
The fourth proportional to 529,858.80, 731,369.52 and 325,972.08 is: 449,942.60
Step by Step Solution
- Step 1: Write the proportion equation
529,858.80 : 731,369.52 = 325,972.08 : x - Step 2: Convert to fraction form
529,858.80/731,369.52 = 325,972.08/x - Step 3: Cross multiply
529,858.80x = 731,369.52 × 325,972.08 - Step 4: Simplify right side
529,858.80x = 238,406,043,683.00 - Step 5: Solve for x
x = 238,406,043,683.00/529,858.80 - Step 6: Final answer
x = 449,942.60
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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.