Finding the Fourth Proportional to 799,854.42, 1,199,537.63 and 420,569.39
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Solution
The fourth proportional to 799,854.42, 1,199,537.63 and 420,569.39 is: 630,725.79
Step by Step Solution
- Step 1: Write the proportion equation
799,854.42 : 1,199,537.63 = 420,569.39 : x - Step 2: Convert to fraction form
799,854.42/1,199,537.63 = 420,569.39/x - Step 3: Cross multiply
799,854.42x = 1,199,537.63 × 420,569.39 - Step 4: Simplify right side
799,854.42x = 504,488,809,331.15 - Step 5: Solve for x
x = 504,488,809,331.15/799,854.42 - Step 6: Final answer
x = 630,725.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.