Finding the Fourth Proportional to 827,657.10, 1,239,845.40 and 729,023.40
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Solution
The fourth proportional to 827,657.10, 1,239,845.40 and 729,023.40 is: 1,092,090.32
Step by Step Solution
- Step 1: Write the proportion equation
827,657.10 : 1,239,845.40 = 729,023.40 : x - Step 2: Convert to fraction form
827,657.10/1,239,845.40 = 729,023.40/x - Step 3: Cross multiply
827,657.10x = 1,239,845.40 × 729,023.40 - Step 4: Simplify right side
827,657.10x = 903,876,308,982.36 - Step 5: Solve for x
x = 903,876,308,982.36/827,657.10 - Step 6: Final answer
x = 1,092,090.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.