Finding the Fourth Proportional to 862,039.92, 1,291,718.79 and 329,270.16
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Solution
The fourth proportional to 862,039.92, 1,291,718.79 and 329,270.16 is: 493,392.99
Step by Step Solution
- Step 1: Write the proportion equation
862,039.92 : 1,291,718.79 = 329,270.16 : x - Step 2: Convert to fraction form
862,039.92/1,291,718.79 = 329,270.16/x - Step 3: Cross multiply
862,039.92x = 1,291,718.79 × 329,270.16 - Step 4: Simplify right side
862,039.92x = 425,324,452,658.31 - Step 5: Solve for x
x = 425,324,452,658.31/862,039.92 - Step 6: Final answer
x = 493,392.99
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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.