Finding the Fourth Proportional to 754,390.98, 1,041,027.84 and 427,725.96
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Solution
The fourth proportional to 754,390.98, 1,041,027.84 and 427,725.96 is: 590,243.84
Step by Step Solution
- Step 1: Write the proportion equation
754,390.98 : 1,041,027.84 = 427,725.96 : x - Step 2: Convert to fraction form
754,390.98/1,041,027.84 = 427,725.96/x - Step 3: Cross multiply
754,390.98x = 1,041,027.84 × 427,725.96 - Step 4: Simplify right side
754,390.98x = 445,274,632,250.73 - Step 5: Solve for x
x = 445,274,632,250.73/754,390.98 - Step 6: Final answer
x = 590,243.84
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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.