Finding the Fourth Proportional to 744,557.96, 1,027,497.86 and 405,027.08
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Solution
The fourth proportional to 744,557.96, 1,027,497.86 and 405,027.08 is: 558,941.65
Step by Step Solution
- Step 1: Write the proportion equation
744,557.96 : 1,027,497.86 = 405,027.08 : x - Step 2: Convert to fraction form
744,557.96/1,027,497.86 = 405,027.08/x - Step 3: Cross multiply
744,557.96x = 1,027,497.86 × 405,027.08 - Step 4: Simplify right side
744,557.96x = 416,164,457,942.05 - Step 5: Solve for x
x = 416,164,457,942.05/744,557.96 - Step 6: Final answer
x = 558,941.65
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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.