Finding the Fourth Proportional to 995,879.79, 1,493,053.97 and 515,592.72
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Solution
The fourth proportional to 995,879.79, 1,493,053.97 and 515,592.72 is: 772,992.65
Step by Step Solution
- Step 1: Write the proportion equation
995,879.79 : 1,493,053.97 = 515,592.72 : x - Step 2: Convert to fraction form
995,879.79/1,493,053.97 = 515,592.72/x - Step 3: Cross multiply
995,879.79x = 1,493,053.97 × 515,592.72 - Step 4: Simplify right side
995,879.79x = 769,807,754,921.14 - Step 5: Solve for x
x = 769,807,754,921.14/995,879.79 - Step 6: Final answer
x = 772,992.65
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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.