Finding the Fourth Proportional to 883,904.80, 1,324,982.40 and 434,257.60
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Solution
The fourth proportional to 883,904.80, 1,324,982.40 and 434,257.60 is: 650,956.62
Step by Step Solution
- Step 1: Write the proportion equation
883,904.80 : 1,324,982.40 = 434,257.60 : x - Step 2: Convert to fraction form
883,904.80/1,324,982.40 = 434,257.60/x - Step 3: Cross multiply
883,904.80x = 1,324,982.40 × 434,257.60 - Step 4: Simplify right side
883,904.80x = 575,383,677,066.24 - Step 5: Solve for x
x = 575,383,677,066.24/883,904.80 - Step 6: Final answer
x = 650,956.62
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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.