Finding the Fourth Proportional to 526,634.78, 726,842.93 and 322,799.09
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Solution
The fourth proportional to 526,634.78, 726,842.93 and 322,799.09 is: 445,516.02
Step by Step Solution
- Step 1: Write the proportion equation
526,634.78 : 726,842.93 = 322,799.09 : x - Step 2: Convert to fraction form
526,634.78/726,842.93 = 322,799.09/x - Step 3: Cross multiply
526,634.78x = 726,842.93 × 322,799.09 - Step 4: Simplify right side
526,634.78x = 234,624,231,128.72 - Step 5: Solve for x
x = 234,624,231,128.72/526,634.78 - Step 6: Final answer
x = 445,516.02
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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.