Finding the Fourth Proportional to 792,452.08, 1,186,578.56 and 417,687.76
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Solution
The fourth proportional to 792,452.08, 1,186,578.56 and 417,687.76 is: 625,424.99
Step by Step Solution
- Step 1: Write the proportion equation
792,452.08 : 1,186,578.56 = 417,687.76 : x - Step 2: Convert to fraction form
792,452.08/1,186,578.56 = 417,687.76/x - Step 3: Cross multiply
792,452.08x = 1,186,578.56 × 417,687.76 - Step 4: Simplify right side
792,452.08x = 495,619,332,769.09 - Step 5: Solve for x
x = 495,619,332,769.09/792,452.08 - Step 6: Final answer
x = 625,424.99
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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.