Finding the Fourth Proportional to 888,463.24, 1,332,693.84 and 289,423.44
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Solution
The fourth proportional to 888,463.24, 1,332,693.84 and 289,423.44 is: 434,134.83
Step by Step Solution
- Step 1: Write the proportion equation
888,463.24 : 1,332,693.84 = 289,423.44 : x - Step 2: Convert to fraction form
888,463.24/1,332,693.84 = 289,423.44/x - Step 3: Cross multiply
888,463.24x = 1,332,693.84 × 289,423.44 - Step 4: Simplify right side
888,463.24x = 385,712,835,639.61 - Step 5: Solve for x
x = 385,712,835,639.61/888,463.24 - Step 6: Final answer
x = 434,134.83
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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.