Finding the Fourth Proportional to 899,229.12, 1,241,514.72 and 577,078.08
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Solution
The fourth proportional to 899,229.12, 1,241,514.72 and 577,078.08 is: 796,739.02
Step by Step Solution
- Step 1: Write the proportion equation
899,229.12 : 1,241,514.72 = 577,078.08 : x - Step 2: Convert to fraction form
899,229.12/1,241,514.72 = 577,078.08/x - Step 3: Cross multiply
899,229.12x = 1,241,514.72 × 577,078.08 - Step 4: Simplify right side
899,229.12x = 716,450,930,909.34 - Step 5: Solve for x
x = 716,450,930,909.34/899,229.12 - Step 6: Final answer
x = 796,739.02
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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.