Finding the Fourth Proportional to 862,978.74, 1,294,260.48 and 263,945.08
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Solution
The fourth proportional to 862,978.74, 1,294,260.48 and 263,945.08 is: 395,854.12
Step by Step Solution
- Step 1: Write the proportion equation
862,978.74 : 1,294,260.48 = 263,945.08 : x - Step 2: Convert to fraction form
862,978.74/1,294,260.48 = 263,945.08/x - Step 3: Cross multiply
862,978.74x = 1,294,260.48 × 263,945.08 - Step 4: Simplify right side
862,978.74x = 341,613,685,934.44 - Step 5: Solve for x
x = 341,613,685,934.44/862,978.74 - Step 6: Final answer
x = 395,854.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.