Finding the Fourth Proportional to 971,378.40, 1,457,110.80 and 331,672.80
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Solution
The fourth proportional to 971,378.40, 1,457,110.80 and 331,672.80 is: 497,523.95
Step by Step Solution
- Step 1: Write the proportion equation
971,378.40 : 1,457,110.80 = 331,672.80 : x - Step 2: Convert to fraction form
971,378.40/1,457,110.80 = 331,672.80/x - Step 3: Cross multiply
971,378.40x = 1,457,110.80 × 331,672.80 - Step 4: Simplify right side
971,378.40x = 483,284,018,946.24 - Step 5: Solve for x
x = 483,284,018,946.24/971,378.40 - Step 6: Final answer
x = 497,523.95
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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.