Finding the Fourth Proportional to 744,409.44, 1,027,006.70 and 438,298.70
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Solution
The fourth proportional to 744,409.44, 1,027,006.70 and 438,298.70 is: 604,688.32
Step by Step Solution
- Step 1: Write the proportion equation
744,409.44 : 1,027,006.70 = 438,298.70 : x - Step 2: Convert to fraction form
744,409.44/1,027,006.70 = 438,298.70/x - Step 3: Cross multiply
744,409.44x = 1,027,006.70 × 438,298.70 - Step 4: Simplify right side
744,409.44x = 450,135,694,174.76 - Step 5: Solve for x
x = 450,135,694,174.76/744,409.44 - Step 6: Final answer
x = 604,688.32
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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.