Finding the Fourth Proportional to 804,009.97, 1,109,535.99 and 441,457.31
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Solution
The fourth proportional to 804,009.97, 1,109,535.99 and 441,457.31 is: 609,212.31
Step by Step Solution
- Step 1: Write the proportion equation
804,009.97 : 1,109,535.99 = 441,457.31 : x - Step 2: Convert to fraction form
804,009.97/1,109,535.99 = 441,457.31/x - Step 3: Cross multiply
804,009.97x = 1,109,535.99 × 441,457.31 - Step 4: Simplify right side
804,009.97x = 489,812,773,493.59 - Step 5: Solve for x
x = 489,812,773,493.59/804,009.97 - Step 6: Final answer
x = 609,212.31
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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.