Finding the Fourth Proportional to 562,613.58, 776,415.97 and 317,611.26
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Solution
The fourth proportional to 562,613.58, 776,415.97 and 317,611.26 is: 438,308.75
Step by Step Solution
- Step 1: Write the proportion equation
562,613.58 : 776,415.97 = 317,611.26 : x - Step 2: Convert to fraction form
562,613.58/776,415.97 = 317,611.26/x - Step 3: Cross multiply
562,613.58x = 776,415.97 × 317,611.26 - Step 4: Simplify right side
562,613.58x = 246,598,450,633.74 - Step 5: Solve for x
x = 246,598,450,633.74/562,613.58 - Step 6: Final answer
x = 438,308.75
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1.5x scale
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.