Finding the Fourth Proportional to 824,140.60, 1,236,350.46 and 284,250.28
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Solution
The fourth proportional to 824,140.60, 1,236,350.46 and 284,250.28 is: 426,423.55
Step by Step Solution
- Step 1: Write the proportion equation
824,140.60 : 1,236,350.46 = 284,250.28 : x - Step 2: Convert to fraction form
824,140.60/1,236,350.46 = 284,250.28/x - Step 3: Cross multiply
824,140.60x = 1,236,350.46 × 284,250.28 - Step 4: Simplify right side
824,140.60x = 351,432,964,433.13 - Step 5: Solve for x
x = 351,432,964,433.13/824,140.60 - Step 6: Final answer
x = 426,423.55
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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.