Finding the Fourth Proportional to 854,098.09, 1,178,609.34 and 472,102.09
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Solution
The fourth proportional to 854,098.09, 1,178,609.34 and 472,102.09 is: 651,475.44
Step by Step Solution
- Step 1: Write the proportion equation
854,098.09 : 1,178,609.34 = 472,102.09 : x - Step 2: Convert to fraction form
854,098.09/1,178,609.34 = 472,102.09/x - Step 3: Cross multiply
854,098.09x = 1,178,609.34 × 472,102.09 - Step 4: Simplify right side
854,098.09x = 556,423,932,707.52 - Step 5: Solve for x
x = 556,423,932,707.52/854,098.09 - Step 6: Final answer
x = 651,475.44
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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.