Finding the Fourth Proportional to 719,683.24, 1,079,524.70 and 214,251.60
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Solution
The fourth proportional to 719,683.24, 1,079,524.70 and 214,251.60 is: 321,377.35
Step by Step Solution
- Step 1: Write the proportion equation
719,683.24 : 1,079,524.70 = 214,251.60 : x - Step 2: Convert to fraction form
719,683.24/1,079,524.70 = 214,251.60/x - Step 3: Cross multiply
719,683.24x = 1,079,524.70 × 214,251.60 - Step 4: Simplify right side
719,683.24x = 231,289,894,214.52 - Step 5: Solve for x
x = 231,289,894,214.52/719,683.24 - Step 6: Final answer
x = 321,377.35
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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.