Finding the Fourth Proportional to 620,254.02, 855,971.22 and 348,369.84
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Solution
The fourth proportional to 620,254.02, 855,971.22 and 348,369.84 is: 480,761.99
Step by Step Solution
- Step 1: Write the proportion equation
620,254.02 : 855,971.22 = 348,369.84 : x - Step 2: Convert to fraction form
620,254.02/855,971.22 = 348,369.84/x - Step 3: Cross multiply
620,254.02x = 855,971.22 × 348,369.84 - Step 4: Simplify right side
620,254.02x = 298,194,556,956.01 - Step 5: Solve for x
x = 298,194,556,956.01/620,254.02 - Step 6: Final answer
x = 480,761.99
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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.