Finding the Fourth Proportional to 790,704.99, 1,090,357.30 and 676,362.15
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Solution
The fourth proportional to 790,704.99, 1,090,357.30 and 676,362.15 is: 932,682.12
Step by Step Solution
- Step 1: Write the proportion equation
790,704.99 : 1,090,357.30 = 676,362.15 : x - Step 2: Convert to fraction form
790,704.99/1,090,357.30 = 676,362.15/x - Step 3: Cross multiply
790,704.99x = 1,090,357.30 × 676,362.15 - Step 4: Simplify right side
790,704.99x = 737,476,407,696.20 - Step 5: Solve for x
x = 737,476,407,696.20/790,704.99 - Step 6: Final answer
x = 932,682.12
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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.