Finding the Fourth Proportional to 480,023.80, 720,035.70 and 347,831.80
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Solution
The fourth proportional to 480,023.80, 720,035.70 and 347,831.80 is: 521,747.70
Step by Step Solution
- Step 1: Write the proportion equation
480,023.80 : 720,035.70 = 347,831.80 : x - Step 2: Convert to fraction form
480,023.80/720,035.70 = 347,831.80/x - Step 3: Cross multiply
480,023.80x = 720,035.70 × 347,831.80 - Step 4: Simplify right side
480,023.80x = 250,451,313,595.26 - Step 5: Solve for x
x = 250,451,313,595.26/480,023.80 - Step 6: Final answer
x = 521,747.70
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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.