Finding the Fourth Proportional to 994,789.08, 1,372,810.68 and 542,080.08
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Solution
The fourth proportional to 994,789.08, 1,372,810.68 and 542,080.08 is: 748,071.46
Step by Step Solution
- Step 1: Write the proportion equation
994,789.08 : 1,372,810.68 = 542,080.08 : x - Step 2: Convert to fraction form
994,789.08/1,372,810.68 = 542,080.08/x - Step 3: Cross multiply
994,789.08x = 1,372,810.68 × 542,080.08 - Step 4: Simplify right side
994,789.08x = 744,173,323,239.25 - Step 5: Solve for x
x = 744,173,323,239.25/994,789.08 - Step 6: Final answer
x = 748,071.46
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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.