Finding the Fourth Proportional to 744,866.08, 1,027,831.62 and 438,922.60
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Solution
The fourth proportional to 744,866.08, 1,027,831.62 and 438,922.60 is: 605,663.94
Step by Step Solution
- Step 1: Write the proportion equation
744,866.08 : 1,027,831.62 = 438,922.60 : x - Step 2: Convert to fraction form
744,866.08/1,027,831.62 = 438,922.60/x - Step 3: Cross multiply
744,866.08x = 1,027,831.62 × 438,922.60 - Step 4: Simplify right side
744,866.08x = 451,138,527,012.61 - Step 5: Solve for x
x = 451,138,527,012.61/744,866.08 - Step 6: Final answer
x = 605,663.94
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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.