Finding the Fourth Proportional to 782,793.84, 1,080,259.80 and 460,516.08
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Solution
The fourth proportional to 782,793.84, 1,080,259.80 and 460,516.08 is: 635,514.72
Step by Step Solution
- Step 1: Write the proportion equation
782,793.84 : 1,080,259.80 = 460,516.08 : x - Step 2: Convert to fraction form
782,793.84/1,080,259.80 = 460,516.08/x - Step 3: Cross multiply
782,793.84x = 1,080,259.80 × 460,516.08 - Step 4: Simplify right side
782,793.84x = 497,477,008,477.58 - Step 5: Solve for x
x = 497,477,008,477.58/782,793.84 - Step 6: Final answer
x = 635,514.72
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1.5x scale
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.