Finding the Fourth Proportional to 698,629.36, 1,047,921.84 and 193,220.80
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Solution
The fourth proportional to 698,629.36, 1,047,921.84 and 193,220.80 is: 289,825.06
Step by Step Solution
- Step 1: Write the proportion equation
698,629.36 : 1,047,921.84 = 193,220.80 : x - Step 2: Convert to fraction form
698,629.36/1,047,921.84 = 193,220.80/x - Step 3: Cross multiply
698,629.36x = 1,047,921.84 × 193,220.80 - Step 4: Simplify right side
698,629.36x = 202,480,296,262.27 - Step 5: Solve for x
x = 202,480,296,262.27/698,629.36 - Step 6: Final answer
x = 289,825.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.