Finding the Fourth Proportional to 461,784.96, 636,912.43 and 397,362.09
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Solution
The fourth proportional to 461,784.96, 636,912.43 and 397,362.09 is: 548,057.81
Step by Step Solution
- Step 1: Write the proportion equation
461,784.96 : 636,912.43 = 397,362.09 : x - Step 2: Convert to fraction form
461,784.96/636,912.43 = 397,362.09/x - Step 3: Cross multiply
461,784.96x = 636,912.43 × 397,362.09 - Step 4: Simplify right side
461,784.96x = 253,084,854,331.78 - Step 5: Solve for x
x = 253,084,854,331.78/461,784.96 - Step 6: Final answer
x = 548,057.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.