Finding the Fourth Proportional to 782,959.22, 1,080,465.35 and 460,690.19
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Solution
The fourth proportional to 782,959.22, 1,080,465.35 and 460,690.19 is: 635,741.65
Step by Step Solution
- Step 1: Write the proportion equation
782,959.22 : 1,080,465.35 = 460,690.19 : x - Step 2: Convert to fraction form
782,959.22/1,080,465.35 = 460,690.19/x - Step 3: Cross multiply
782,959.22x = 1,080,465.35 × 460,690.19 - Step 4: Simplify right side
782,959.22x = 497,759,783,725.88 - Step 5: Solve for x
x = 497,759,783,725.88/782,959.22 - Step 6: Final answer
x = 635,741.65
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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.