Finding the Fourth Proportional to 727,964.20, 1,091,946.30 and 462,243.70
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Solution
The fourth proportional to 727,964.20, 1,091,946.30 and 462,243.70 is: 693,365.55
Step by Step Solution
- Step 1: Write the proportion equation
727,964.20 : 1,091,946.30 = 462,243.70 : x - Step 2: Convert to fraction form
727,964.20/1,091,946.30 = 462,243.70/x - Step 3: Cross multiply
727,964.20x = 1,091,946.30 × 462,243.70 - Step 4: Simplify right side
727,964.20x = 504,745,297,913.31 - Step 5: Solve for x
x = 504,745,297,913.31/727,964.20 - Step 6: Final answer
x = 693,365.55
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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.