Finding the Fourth Proportional to 864,989.01, 1,193,680.07 and 477,831.08
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Solution
The fourth proportional to 864,989.01, 1,193,680.07 and 477,831.08 is: 659,404.26
Step by Step Solution
- Step 1: Write the proportion equation
864,989.01 : 1,193,680.07 = 477,831.08 : x - Step 2: Convert to fraction form
864,989.01/1,193,680.07 = 477,831.08/x - Step 3: Cross multiply
864,989.01x = 1,193,680.07 × 477,831.08 - Step 4: Simplify right side
864,989.01x = 570,377,437,022.58 - Step 5: Solve for x
x = 570,377,437,022.58/864,989.01 - Step 6: Final answer
x = 659,404.26
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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.