Finding the Fourth Proportional to 784,176.80, 1,176,265.20 and 468,471.20
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Solution
The fourth proportional to 784,176.80, 1,176,265.20 and 468,471.20 is: 702,706.80
Step by Step Solution
- Step 1: Write the proportion equation
784,176.80 : 1,176,265.20 = 468,471.20 : x - Step 2: Convert to fraction form
784,176.80/1,176,265.20 = 468,471.20/x - Step 3: Cross multiply
784,176.80x = 1,176,265.20 × 468,471.20 - Step 4: Simplify right side
784,176.80x = 551,046,369,762.24 - Step 5: Solve for x
x = 551,046,369,762.24/784,176.80 - Step 6: Final answer
x = 702,706.80
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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.