Finding the Fourth Proportional to 765,163.71, 1,055,934.79 and 438,470.26
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Solution
The fourth proportional to 765,163.71, 1,055,934.79 and 438,470.26 is: 605,094.03
Step by Step Solution
- Step 1: Write the proportion equation
765,163.71 : 1,055,934.79 = 438,470.26 : x - Step 2: Convert to fraction form
765,163.71/1,055,934.79 = 438,470.26/x - Step 3: Cross multiply
765,163.71x = 1,055,934.79 × 438,470.26 - Step 4: Simplify right side
765,163.71x = 462,995,996,634.67 - Step 5: Solve for x
x = 462,995,996,634.67/765,163.71 - Step 6: Final answer
x = 605,094.03
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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.