Finding the Fourth Proportional to 665,083.22, 917,714.14 and 374,653.26
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Solution
The fourth proportional to 665,083.22, 917,714.14 and 374,653.26 is: 516,964.77
Step by Step Solution
- Step 1: Write the proportion equation
665,083.22 : 917,714.14 = 374,653.26 : x - Step 2: Convert to fraction form
665,083.22/917,714.14 = 374,653.26/x - Step 3: Cross multiply
665,083.22x = 917,714.14 × 374,653.26 - Step 4: Simplify right side
665,083.22x = 343,824,593,362.46 - Step 5: Solve for x
x = 343,824,593,362.46/665,083.22 - Step 6: Final answer
x = 516,964.77
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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.