Finding the Fourth Proportional to 793,979.13, 1,095,695.26 and 431,403.92
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Solution
The fourth proportional to 793,979.13, 1,095,695.26 and 431,403.92 is: 595,339.61
Step by Step Solution
- Step 1: Write the proportion equation
793,979.13 : 1,095,695.26 = 431,403.92 : x - Step 2: Convert to fraction form
793,979.13/1,095,695.26 = 431,403.92/x - Step 3: Cross multiply
793,979.13x = 1,095,695.26 × 431,403.92 - Step 4: Simplify right side
793,979.13x = 472,687,227,841.29 - Step 5: Solve for x
x = 472,687,227,841.29/793,979.13 - Step 6: Final answer
x = 595,339.61
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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.