Finding the Fourth Proportional to 854,495.68, 1,179,211.68 and 472,548.16
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Solution
The fourth proportional to 854,495.68, 1,179,211.68 and 472,548.16 is: 652,120.69
Step by Step Solution
- Step 1: Write the proportion equation
854,495.68 : 1,179,211.68 = 472,548.16 : x - Step 2: Convert to fraction form
854,495.68/1,179,211.68 = 472,548.16/x - Step 3: Cross multiply
854,495.68x = 1,179,211.68 × 472,548.16 - Step 4: Simplify right side
854,495.68x = 557,234,309,634.51 - Step 5: Solve for x
x = 557,234,309,634.51/854,495.68 - Step 6: Final answer
x = 652,120.69
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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.