Finding the Fourth Proportional to 888,485.64, 1,332,726.84 and 289,446.09
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Solution
The fourth proportional to 888,485.64, 1,332,726.84 and 289,446.09 is: 434,168.61
Step by Step Solution
- Step 1: Write the proportion equation
888,485.64 : 1,332,726.84 = 289,446.09 : x - Step 2: Convert to fraction form
888,485.64/1,332,726.84 = 289,446.09/x - Step 3: Cross multiply
888,485.64x = 1,332,726.84 × 289,446.09 - Step 4: Simplify right side
888,485.64x = 385,752,572,876.06 - Step 5: Solve for x
x = 385,752,572,876.06/888,485.64 - Step 6: Final answer
x = 434,168.61
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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.