Finding the Fourth Proportional to 417,394.02, 626,086.17 and 289,192.08
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Solution
The fourth proportional to 417,394.02, 626,086.17 and 289,192.08 is: 433,784.75
Step by Step Solution
- Step 1: Write the proportion equation
417,394.02 : 626,086.17 = 289,192.08 : x - Step 2: Convert to fraction form
417,394.02/626,086.17 = 289,192.08/x - Step 3: Cross multiply
417,394.02x = 626,086.17 × 289,192.08 - Step 4: Simplify right side
417,394.02x = 181,059,161,761.53 - Step 5: Solve for x
x = 181,059,161,761.53/417,394.02 - Step 6: Final answer
x = 433,784.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.