Finding the Fourth Proportional to 971,621.87, 1,457,391.49 and 331,982.96
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Solution
The fourth proportional to 971,621.87, 1,457,391.49 and 331,982.96 is: 497,960.32
Step by Step Solution
- Step 1: Write the proportion equation
971,621.87 : 1,457,391.49 = 331,982.96 : x - Step 2: Convert to fraction form
971,621.87/1,457,391.49 = 331,982.96/x - Step 3: Cross multiply
971,621.87x = 1,457,391.49 × 331,982.96 - Step 4: Simplify right side
971,621.87x = 483,829,132,612.10 - Step 5: Solve for x
x = 483,829,132,612.10/971,621.87 - Step 6: Final answer
x = 497,960.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.