Finding the Fourth Proportional to 927,091.98, 1,279,357.02 and 513,611.73
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Solution
The fourth proportional to 927,091.98, 1,279,357.02 and 513,611.73 is: 708,767.62
Step by Step Solution
- Step 1: Write the proportion equation
927,091.98 : 1,279,357.02 = 513,611.73 : x - Step 2: Convert to fraction form
927,091.98/1,279,357.02 = 513,611.73/x - Step 3: Cross multiply
927,091.98x = 1,279,357.02 × 513,611.73 - Step 4: Simplify right side
927,091.98x = 657,092,772,329.85 - Step 5: Solve for x
x = 657,092,772,329.85/927,091.98 - Step 6: Final answer
x = 708,767.62
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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.