Finding the Fourth Proportional to 888,586.80, 1,332,491.40 and 355,930.80
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Solution
The fourth proportional to 888,586.80, 1,332,491.40 and 355,930.80 is: 533,740.46
Step by Step Solution
- Step 1: Write the proportion equation
888,586.80 : 1,332,491.40 = 355,930.80 : x - Step 2: Convert to fraction form
888,586.80/1,332,491.40 = 355,930.80/x - Step 3: Cross multiply
888,586.80x = 1,332,491.40 × 355,930.80 - Step 4: Simplify right side
888,586.80x = 474,274,729,995.12 - Step 5: Solve for x
x = 474,274,729,995.12/888,586.80 - Step 6: Final answer
x = 533,740.46
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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.