Finding the Fourth Proportional to 888,153.12, 1,332,426.24 and 414,579.84
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Solution
The fourth proportional to 888,153.12, 1,332,426.24 and 414,579.84 is: 621,961.51
Step by Step Solution
- Step 1: Write the proportion equation
888,153.12 : 1,332,426.24 = 414,579.84 : x - Step 2: Convert to fraction form
888,153.12/1,332,426.24 = 414,579.84/x - Step 3: Cross multiply
888,153.12x = 1,332,426.24 × 414,579.84 - Step 4: Simplify right side
888,153.12x = 552,397,057,391.00 - Step 5: Solve for x
x = 552,397,057,391.00/888,153.12 - Step 6: Final answer
x = 621,961.51
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1.5x scale
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.