Finding the Fourth Proportional to 782,849.97, 1,080,314.55 and 460,580.81
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Solution
The fourth proportional to 782,849.97, 1,080,314.55 and 460,580.81 is: 635,590.68
Step by Step Solution
- Step 1: Write the proportion equation
782,849.97 : 1,080,314.55 = 460,580.81 : x - Step 2: Convert to fraction form
782,849.97/1,080,314.55 = 460,580.81/x - Step 3: Cross multiply
782,849.97x = 1,080,314.55 × 460,580.81 - Step 4: Simplify right side
782,849.97x = 497,572,145,092.21 - Step 5: Solve for x
x = 497,572,145,092.21/782,849.97 - Step 6: Final answer
x = 635,590.68
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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.