Finding the Fourth Proportional to 971,310.40, 1,457,008.80 and 331,604.80
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Solution
The fourth proportional to 971,310.40, 1,457,008.80 and 331,604.80 is: 497,421.95
Step by Step Solution
- Step 1: Write the proportion equation
971,310.40 : 1,457,008.80 = 331,604.80 : x - Step 2: Convert to fraction form
971,310.40/1,457,008.80 = 331,604.80/x - Step 3: Cross multiply
971,310.40x = 1,457,008.80 × 331,604.80 - Step 4: Simplify right side
971,310.40x = 483,151,111,722.24 - Step 5: Solve for x
x = 483,151,111,722.24/971,310.40 - Step 6: Final answer
x = 497,421.95
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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.