Finding the Fourth Proportional to 739,011.96, 1,019,837.16 and 399,480.18
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Solution
The fourth proportional to 739,011.96, 1,019,837.16 and 399,480.18 is: 551,283.00
Step by Step Solution
- Step 1: Write the proportion equation
739,011.96 : 1,019,837.16 = 399,480.18 : x - Step 2: Convert to fraction form
739,011.96/1,019,837.16 = 399,480.18/x - Step 3: Cross multiply
739,011.96x = 1,019,837.16 × 399,480.18 - Step 4: Simplify right side
739,011.96x = 407,404,732,247.49 - Step 5: Solve for x
x = 407,404,732,247.49/739,011.96 - Step 6: Final answer
x = 551,283.00
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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.