Finding the Fourth Proportional to 684,234.99, 944,216.73 and 397,732.55
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Solution
The fourth proportional to 684,234.99, 944,216.73 and 397,732.55 is: 548,854.89
Step by Step Solution
- Step 1: Write the proportion equation
684,234.99 : 944,216.73 = 397,732.55 : x - Step 2: Convert to fraction form
684,234.99/944,216.73 = 397,732.55/x - Step 3: Cross multiply
684,234.99x = 944,216.73 × 397,732.55 - Step 4: Simplify right side
684,234.99x = 375,545,723,054.48 - Step 5: Solve for x
x = 375,545,723,054.48/684,234.99 - Step 6: Final answer
x = 548,854.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.