Finding the Fourth Proportional to 347,609.70, 521,803.35 and 324,767.70
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Solution
The fourth proportional to 347,609.70, 521,803.35 and 324,767.70 is: 487,514.80
Step by Step Solution
- Step 1: Write the proportion equation
347,609.70 : 521,803.35 = 324,767.70 : x - Step 2: Convert to fraction form
347,609.70/521,803.35 = 324,767.70/x - Step 3: Cross multiply
347,609.70x = 521,803.35 × 324,767.70 - Step 4: Simplify right side
347,609.70x = 169,464,873,831.80 - Step 5: Solve for x
x = 169,464,873,831.80/347,609.70 - Step 6: Final answer
x = 487,514.80
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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.