Finding the Fourth Proportional to 527,957.91, 729,183.20 and 357,896.79
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Solution
The fourth proportional to 527,957.91, 729,183.20 and 357,896.79 is: 494,305.17
Step by Step Solution
- Step 1: Write the proportion equation
527,957.91 : 729,183.20 = 357,896.79 : x - Step 2: Convert to fraction form
527,957.91/729,183.20 = 357,896.79/x - Step 3: Cross multiply
527,957.91x = 729,183.20 × 357,896.79 - Step 4: Simplify right side
527,957.91x = 260,972,324,812.44 - Step 5: Solve for x
x = 260,972,324,812.44/527,957.91 - Step 6: Final answer
x = 494,305.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.