Finding the Fourth Proportional to 710,680.68, 980,739.44 and 404,785.53
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Solution
The fourth proportional to 710,680.68, 980,739.44 and 404,785.53 is: 558,604.09
Step by Step Solution
- Step 1: Write the proportion equation
710,680.68 : 980,739.44 = 404,785.53 : x - Step 2: Convert to fraction form
710,680.68/980,739.44 = 404,785.53/x - Step 3: Cross multiply
710,680.68x = 980,739.44 × 404,785.53 - Step 4: Simplify right side
710,680.68x = 396,989,131,988.38 - Step 5: Solve for x
x = 396,989,131,988.38/710,680.68 - Step 6: Final answer
x = 558,604.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.