Finding the Fourth Proportional to 609,852.68, 914,170.05 and 407,619.12
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Solution
The fourth proportional to 609,852.68, 914,170.05 and 407,619.12 is: 611,021.65
Step by Step Solution
- Step 1: Write the proportion equation
609,852.68 : 914,170.05 = 407,619.12 : x - Step 2: Convert to fraction form
609,852.68/914,170.05 = 407,619.12/x - Step 3: Cross multiply
609,852.68x = 914,170.05 × 407,619.12 - Step 4: Simplify right side
609,852.68x = 372,633,191,311.36 - Step 5: Solve for x
x = 372,633,191,311.36/609,852.68 - Step 6: Final answer
x = 611,021.65
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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.