Finding the Fourth Proportional to 738,444.80, 1,019,057.76 and 416,159.84
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Solution
The fourth proportional to 738,444.80, 1,019,057.76 and 416,159.84 is: 574,302.80
Step by Step Solution
- Step 1: Write the proportion equation
738,444.80 : 1,019,057.76 = 416,159.84 : x - Step 2: Convert to fraction form
738,444.80/1,019,057.76 = 416,159.84/x - Step 3: Cross multiply
738,444.80x = 1,019,057.76 × 416,159.84 - Step 4: Simplify right side
738,444.80x = 424,090,914,352.36 - Step 5: Solve for x
x = 424,090,914,352.36/738,444.80 - Step 6: Final answer
x = 574,302.80
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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.