Finding the Fourth Proportional to 750,309.10, 1,125,480.35 and 270,575.62
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Solution
The fourth proportional to 750,309.10, 1,125,480.35 and 270,575.62 is: 405,869.45
Step by Step Solution
- Step 1: Write the proportion equation
750,309.10 : 1,125,480.35 = 270,575.62 : x - Step 2: Convert to fraction form
750,309.10/1,125,480.35 = 270,575.62/x - Step 3: Cross multiply
750,309.10x = 1,125,480.35 × 270,575.62 - Step 4: Simplify right side
750,309.10x = 304,527,541,361.81 - Step 5: Solve for x
x = 304,527,541,361.81/750,309.10 - Step 6: Final answer
x = 405,869.45
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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.