Finding the Fourth Proportional to 750,613.92, 1,035,589.98 and 428,092.08
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Solution
The fourth proportional to 750,613.92, 1,035,589.98 and 428,092.08 is: 590,620.37
Step by Step Solution
- Step 1: Write the proportion equation
750,613.92 : 1,035,589.98 = 428,092.08 : x - Step 2: Convert to fraction form
750,613.92/1,035,589.98 = 428,092.08/x - Step 3: Cross multiply
750,613.92x = 1,035,589.98 × 428,092.08 - Step 4: Simplify right side
750,613.92x = 443,327,868,565.36 - Step 5: Solve for x
x = 443,327,868,565.36/750,613.92 - Step 6: Final answer
x = 590,620.37
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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.