Finding the Fourth Proportional to 793,781.10, 1,095,425.64 and 431,207.82
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Solution
The fourth proportional to 793,781.10, 1,095,425.64 and 431,207.82 is: 595,070.99
Step by Step Solution
- Step 1: Write the proportion equation
793,781.10 : 1,095,425.64 = 431,207.82 : x - Step 2: Convert to fraction form
793,781.10/1,095,425.64 = 431,207.82/x - Step 3: Cross multiply
793,781.10x = 1,095,425.64 × 431,207.82 - Step 4: Simplify right side
793,781.10x = 472,356,102,196.51 - Step 5: Solve for x
x = 472,356,102,196.51/793,781.10 - Step 6: Final answer
x = 595,070.99
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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.