Finding the Fourth Proportional to 446,800.80, 670,201.20 and 313,831.20
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Solution
The fourth proportional to 446,800.80, 670,201.20 and 313,831.20 is: 470,746.80
Step by Step Solution
- Step 1: Write the proportion equation
446,800.80 : 670,201.20 = 313,831.20 : x - Step 2: Convert to fraction form
446,800.80/670,201.20 = 313,831.20/x - Step 3: Cross multiply
446,800.80x = 670,201.20 × 313,831.20 - Step 4: Simplify right side
446,800.80x = 210,330,046,837.44 - Step 5: Solve for x
x = 210,330,046,837.44/446,800.80 - Step 6: Final answer
x = 470,746.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.