Finding the Fourth Proportional to 912,658.41, 1,259,476.97 and 504,739.17
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Solution
The fourth proportional to 912,658.41, 1,259,476.97 and 504,739.17 is: 696,544.68
Step by Step Solution
- Step 1: Write the proportion equation
912,658.41 : 1,259,476.97 = 504,739.17 : x - Step 2: Convert to fraction form
912,658.41/1,259,476.97 = 504,739.17/x - Step 3: Cross multiply
912,658.41x = 1,259,476.97 × 504,739.17 - Step 4: Simplify right side
912,658.41x = 635,707,357,948.22 - Step 5: Solve for x
x = 635,707,357,948.22/912,658.41 - Step 6: Final answer
x = 696,544.68
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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.