Finding the Fourth Proportional to 529,837.79, 731,195.39 and 303,527.03
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Solution
The fourth proportional to 529,837.79, 731,195.39 and 303,527.03 is: 418,878.32
Step by Step Solution
- Step 1: Write the proportion equation
529,837.79 : 731,195.39 = 303,527.03 : x - Step 2: Convert to fraction form
529,837.79/731,195.39 = 303,527.03/x - Step 3: Cross multiply
529,837.79x = 731,195.39 × 303,527.03 - Step 4: Simplify right side
529,837.79x = 221,937,562,179.23 - Step 5: Solve for x
x = 221,937,562,179.23/529,837.79 - Step 6: Final answer
x = 418,878.32
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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.