Finding the Fourth Proportional to 943,132.05, 1,413,844.92 and 343,952.82
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Solution
The fourth proportional to 943,132.05, 1,413,844.92 and 343,952.82 is: 515,618.09
Step by Step Solution
- Step 1: Write the proportion equation
943,132.05 : 1,413,844.92 = 343,952.82 : x - Step 2: Convert to fraction form
943,132.05/1,413,844.92 = 343,952.82/x - Step 3: Cross multiply
943,132.05x = 1,413,844.92 × 343,952.82 - Step 4: Simplify right side
943,132.05x = 486,295,947,276.67 - Step 5: Solve for x
x = 486,295,947,276.67/943,132.05 - Step 6: Final answer
x = 515,618.09
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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.