Finding the Fourth Proportional to 679,522.44, 937,742.84 and 373,630.09
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Solution
The fourth proportional to 679,522.44, 937,742.84 and 373,630.09 is: 515,610.55
Step by Step Solution
- Step 1: Write the proportion equation
679,522.44 : 937,742.84 = 373,630.09 : x - Step 2: Convert to fraction form
679,522.44/937,742.84 = 373,630.09/x - Step 3: Cross multiply
679,522.44x = 937,742.84 × 373,630.09 - Step 4: Simplify right side
679,522.44x = 350,368,939,837.91 - Step 5: Solve for x
x = 350,368,939,837.91/679,522.44 - Step 6: Final answer
x = 515,610.55
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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.