Finding the Fourth Proportional to 888,328.99, 1,332,586.83 and 289,336.79
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Solution
The fourth proportional to 888,328.99, 1,332,586.83 and 289,336.79 is: 434,035.59
Step by Step Solution
- Step 1: Write the proportion equation
888,328.99 : 1,332,586.83 = 289,336.79 : x - Step 2: Convert to fraction form
888,328.99/1,332,586.83 = 289,336.79/x - Step 3: Cross multiply
888,328.99x = 1,332,586.83 × 289,336.79 - Step 4: Simplify right side
888,328.99x = 385,566,395,788.48 - Step 5: Solve for x
x = 385,566,395,788.48/888,328.99 - Step 6: Final answer
x = 434,035.59
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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.