Finding the Fourth Proportional to 676,619.81, 1,014,626.37 and 403,194.97
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Solution
The fourth proportional to 676,619.81, 1,014,626.37 and 403,194.97 is: 604,611.70
Step by Step Solution
- Step 1: Write the proportion equation
676,619.81 : 1,014,626.37 = 403,194.97 : x - Step 2: Convert to fraction form
676,619.81/1,014,626.37 = 403,194.97/x - Step 3: Cross multiply
676,619.81x = 1,014,626.37 × 403,194.97 - Step 4: Simplify right side
676,619.81x = 409,092,252,357.91 - Step 5: Solve for x
x = 409,092,252,357.91/676,619.81 - Step 6: Final answer
x = 604,611.70
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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.