Finding the Fourth Proportional to 936,831.51, 1,405,037.01 and 430,906.53
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Solution
The fourth proportional to 936,831.51, 1,405,037.01 and 430,906.53 is: 646,263.09
Step by Step Solution
- Step 1: Write the proportion equation
936,831.51 : 1,405,037.01 = 430,906.53 : x - Step 2: Convert to fraction form
936,831.51/1,405,037.01 = 430,906.53/x - Step 3: Cross multiply
936,831.51x = 1,405,037.01 × 430,906.53 - Step 4: Simplify right side
936,831.51x = 605,439,622,500.68 - Step 5: Solve for x
x = 605,439,622,500.68/936,831.51 - Step 6: Final answer
x = 646,263.09
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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.